Tenses: Complete Notes for Competitive Exams
These concise notes are designed for graduate students preparing for competitive examinations such as aptitude tests, placement assessments, government recruitment exams, and English proficiency tests. They cover all 12 tenses, their structures, usage, examples, common errors, and exam-oriented rules.
1. The 12 tenses at a glance
English has three time categories — present, past, and future — each commonly taught with four tense-aspect forms.
Tense | Structure | Main use |
|---|---|---|
Simple Present | S + V1(s/es) | Habits, facts, routines |
Present Continuous | S + am/is/are + V-ing | Actions happening now |
Present Perfect | S + has/have + V3 | Past action connected to the present |
Present Perfect Continuous | S + has/have been + V-ing | Action continuing over a period |
Simple Past | S + V2 | Completed past actions |
Past Continuous | S + was/were + V-ing | Action in progress in the past |
Past Perfect | S + had + V3 | Earlier of two past actions |
Past Perfect Continuous | S + had been + V-ing | Duration before a past point |
Simple Future | S + will + V1 | Predictions, decisions, promises |
Future Continuous | S + will be + V-ing | Action in progress at a future time |
Future Perfect | S + will have + V3 | Action completed before a future point |
Future Perfect Continuous | S + will have been + V-ing | Duration up to a future point |
Key: S = Subject; V1 = base form; V2 = past form; V3 = past participle.
2. Present tense forms
1. Simple Present Tense
Structure
Affirmative: S + V1(s/es)
Negative: S + do/does + not + V1
Interrogative: Do/Does + S + V1?
Examples
She works in a bank.
They do not work on Sundays.
Does he speak English?
Rules for competitive exams
Use -s/-es with third-person singular subjects: he, she, it, or a singular noun.
After does/doesn't, use V1, not V1+s.
General truths and scientific facts take the simple present.
Scheduled events may use the simple present: The train leaves at 6 a.m.
Common error: She does not likes coffee. ❌
Correct: She does not like coffee. ✅
2. Present Continuous Tense
Structure: S + am/is/are + V-ing
Examples
I am preparing for the examination.
They are working on a project.
She is not sleeping.
Rules
Use for actions happening at the moment of speaking or temporary situations.
Also used for fixed personal arrangements: I am meeting the professor tomorrow.
Verbs expressing states, such as know, believe, own, understand, and belong, are generally not used in continuous forms when they retain their stative meanings.
Common error: I am knowing the answer. ❌
Correct: I know the answer. ✅
3. Present Perfect Tense
Structure: S + has/have + V3
Examples
She has completed the assignment.
We have visited Delhi twice.
He has not submitted the form yet.
Rules
Use for experiences, recent events, and past actions with present results.
Common markers: already, just, yet, ever, never, so far, and recently.
Use has with third-person singular subjects and have with I, you, we, they, and plural subjects.
Do not normally use the present perfect with a finished past-time expression such as yesterday, last year, or in 2020.
Common error: I have seen him yesterday. ❌
Correct: I saw him yesterday. ✅
4. Present Perfect Continuous Tense
Structure: S + has/have been + V-ing
Examples
She has been studying for three hours.
They have been working here since 2022.
Rules
Emphasises the duration or ongoing nature of an activity that began in the past and continues to the present, or has recently stopped with present evidence.
Since indicates a starting point: since Monday, since 2020.
For indicates a duration: for two hours, for five years.
Stative verbs generally prefer the present perfect rather than the present perfect continuous.
Common error: I am living here since 2020. ❌
Correct: I have been living here since 2020. ✅
3. Past tense forms
5. Simple Past Tense
Structure
Affirmative: S + V2
Negative: S + did not + V1
Interrogative: Did + S + V1?
Examples
He wrote the examination last week.
He did not write the examination.
Did he write the examination?
Rules
Use for completed actions at a definite past time.
Common markers: yesterday, ago, last week, in 2019.
After did/didn't, always use V1.
Common error: Did she went there? ❌
Correct: Did she go there? ✅
6. Past Continuous Tense
Structure: S + was/were + V-ing
Examples
I was reading at 8 p.m.
They were playing when it started raining.
Rules
Describes an action in progress at a particular past time.
Often used with the simple past for an interrupting event.
The longer background action often takes the past continuous; the shorter interrupting action often takes the simple past.
Example: I was sleeping when the phone rang.
7. Past Perfect Tense
Structure: S + had + V3
Examples
The train had left before we reached the station.
She had finished the work by noon.
Rules
Use to show that an action occurred before another past action or past reference point when the sequence needs clarification.
The earlier action takes past perfect; the later action often takes simple past.
Do not mechanically use past perfect for every action in a past narrative.
Common error: The train had left before we had reached the station. This may be possible in a special context, but the usual exam-preferred form is: The train had left before we reached the station.
8. Past Perfect Continuous Tense
Structure: S + had been + V-ing
Examples
He had been studying for two hours before the teacher arrived.
They had been waiting since morning when the bus finally came.
Rules
Emphasises how long an activity had continued before a particular past event or time.
Common markers: for, since, before, when, all day.
Use past perfect continuous when duration or the ongoing activity is important; use past perfect for completion or result.
Compare:
She had written three letters. (Completed quantity)
She had been writing letters for an hour. (Duration)
4. Future tense forms
9. Simple Future Tense
Structure: S + will + V1
Examples
I will call you tomorrow.
She will not attend the meeting.
Rules
Use will for predictions, promises, offers, and decisions made at the moment of speaking.
Use be going to for prior intentions and predictions based on present evidence.
For future time clauses beginning with when, after, before, until, and as soon as, use the present tense rather than will in the clause.
Common error: I will call you when I will arrive. ❌
Correct: I will call you when I arrive. ✅
10. Future Continuous Tense
Structure: S + will be + V-ing
Examples
This time tomorrow, I will be travelling to Hyderabad.
At 10 a.m., she will be taking the examination.
Rules
Use for an action expected to be in progress at a specified future time.
Also used for polite enquiries about someone's plans: Will you be using the computer this evening?
11. Future Perfect Tense
Completed before a future deadline
Structure: S + will have + V3
Examples
She will have completed the course by June.
They will have reached home before sunset.
Rules
Use for an action expected to be completed before a specified future time.
Common markers: by tomorrow, by next year, by the time.
Remember: by often signals a deadline, while until focuses on how long a state or activity continues.
Common error: By next month, I will completed the course. ❌
Correct: By next month, I will have completed the course. ✅
12. Future Perfect Continuous Tense
Structure: S + will have been + V-ing
Examples
By December, she will have been teaching for ten years.
By 6 p.m., they will have been travelling for twelve hours.
Rules
Emphasises the duration of an activity up to a specified future point.
Common markers: for and by.
Compare:
By June, he will have worked here for ten years. (Completion or fact)
By June, he will have been working here for ten years. (Emphasis on duration/activity)
5. High-priority rules for competitive exams
These rules are particularly useful in error spotting, sentence correction, fill-in-the-blanks, and cloze tests.
Rule 1: Since vs. For
Since + starting point: since 2021, since Monday, since 9 a.m.
For + duration: for five years, for two days, for an hour.
Example: She has been preparing for six months.
Rule 2: Finished past time
Use the simple past with definite finished-time expressions such as yesterday, last year, and two days ago.
Example: They arrived yesterday, not have arrived yesterday.
Rule 3: Two past actions
Use past perfect for the earlier action when the sequence needs to be made explicit.
Example: The meeting had begun before I arrived.
Rule 4: Future time clauses
After when, until, before, after, as soon as, and once, use the present tense for a future event in the time clause.
Example: We will start when the teacher arrives.
Rule 5: Conditional sentences
First conditional: If + simple present, will + V1.
Second conditional: If + simple past, would + V1.
Third conditional: If + past perfect, would have + V3.
Examples:
If she studies, she will pass.
If she studied, she would pass.
If she had studied, she would have passed.
Rule 6: Subject–verb agreement
He/she/it + V1(s/es) in the simple present.
I/you/we/they + V1.
Each, every, everyone, somebody, and neither usually take singular agreement.
Example: Each of the candidates has submitted the form.
Rule 7: Stative verbs
Verbs such as know, believe, understand, own, and belong generally do not take continuous forms when expressing states.
Example: I understand the question, not I am understanding the question.
Rule 8: Verb forms after auxiliaries
Do/does/did + V1
Has/have/had + V3
Am/is/are/was/were + V-ing (continuous forms)
Will/would/can/could/should/must + V1
Example: She has written the report, not has wrote it.
6. Common signal words
Signal words are clues, not absolute rules. Always interpret the meaning and time reference of the sentence.
Signal words | Tense often used |
|---|---|
Every day, usually, often | Simple present |
Now, at the moment, currently | Present continuous |
Already, just, yet, so far | Present perfect |
Since, for (continuing duration) | Present perfect continuous |
Yesterday, ago, last week | Simple past |
While, at that time | Past continuous |
Before, by the time (earlier past) | Past perfect |
For two hours before he arrived | Past perfect continuous |
Tomorrow, next week | Simple future (depending on meaning) |
This time tomorrow | Future continuous |
By next Monday | Future perfect (when completion is intended) |
By next June + duration | Future perfect continuous (when duration is emphasised) Let's check your understanding |
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