Complete Tense Rules - English Grammar
1. PRESENT TENSE
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(i) Simple Present: Subject + V1/V1+s/es + Object
- He goes to school.
- The sun rises in the east.
(ii) Present Continuous: Subject + is/am/are + V1+ing + Object
- I am reading a book.
- They are playing.
(iii) Present Perfect: Subject + has/have + V3 + Object
- He has written a letter.
(iv) Present Perfect Continuous: Subject + has/have been + V1+ing + since/for + time
- She has been studying since morning.
2. PAST TENSE
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(i) Simple Past: Subject + V2 + Object
- He wrote a letter.
(ii) Past Continuous: Subject + was/were + V1+ing + Object
- They were playing.
(iii) Past Perfect: Subject + had + V3 + Object
- He had written the letter.
(iv) Past Perfect Continuous: Subject + had been + V1+ing + since/for + time
- I had been studying since morning.
3. FUTURE TENSE
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(i) Simple Future: Subject + will/shall + V1 + Object
- I will go to school.
(ii) Future Continuous: Subject + will/shall be + V1+ing + Object
- She will be working.
(iii) Future Perfect: Subject + will/shall have + V3 + Object
- He will have completed the task.
(iv) Future Perfect Continuous: Subject + will have been + V1+ing + since/for + time
- I will have been waiting for an hour.
BONUS: Since vs For
- Since = Point of time (e.g., since 6 AM)
- For = Duration of time (e.g., for 2 hours)