English Grammar: Reported Speech, Passive Voice, and Tenses
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Reported Speech Rules
Direct speech: "My parents are vegetarian." -> Reported speech: He said that his parents were vegetarian.
Tense Changes in Reported Speech
- Present Simple (I take) -> Past Simple (I took)
- Present Continuous (I am taking) -> Past Continuous (I was taking)
- Past Simple (I took) -> Past Perfect Simple (I had taken)
- Present Perfect Simple (I have taken) -> Past Perfect Simple (I had taken)
- Will (I will take) -> Would (I would take)
- Can (I can take) -> Could (I could take)
- Must (I must take) -> Had to (I had to take)
Example: "If you don't sit down, I will send you out!" (The teacher to a pupil) -> The teacher said to a pupil that if he didn't sit down, he would send him out.
Time and Place Expressions
- Here -> There
- This -> That
- These -> Those
- Now -> Then
- Next week -> The following week
- Today -> That day
- This (morning/afternoon) -> That (morning/afternoon)
- Tonight -> That night
- Tomorrow -> The following day
- Yesterday -> The day before
- Last week -> The week before
Passive Voice Transformations
| Tense | Active Voice | Passive Voice |
|---|---|---|
| Present Simple | Write | Is written |
| Present Continuous | Am/is/are writing | Are/is being written |
| Past Simple | Wrote | Was written |
| Past Continuous | Was/were writing | Was being written |
| Present Perfect | Have/has written | Has been written |
| Past Perfect | Had written | Had been written |
| Future Simple | Will write | Will be written |
Example: "Nobody can repair this broken vase" -> "This broken vase can be repaired by nobody."
Verb Tense Usage
- Present Simple: Routines and general truths.
- Present Continuous: Actions happening now, temporary situations, or definitive future plans.
- Past Simple: Completed actions in the past.
- Past Continuous: Incomplete actions in progress at a specific past time or interrupted actions.
- Present Perfect Simple: Actions starting in the past and continuing, or past actions with present importance.
- Past Perfect Simple: Actions completed before another past action.
- Future Simple: Predictions, timetables, or spontaneous decisions.
- Future Perfect: Actions completed by a certain future time.
- Be Going To: Planned future actions or probable events.
- Future Continuous: Actions in progress in the future.