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be/ have/ do in present and past tenses
A
be (= am/ is/ are/was /were) + -ing (cleaning/working etc.)
| am/is/are + -ing (present continuous) |
| was/were + -ing (past continuous) |
- Please be quiet. I'm working.
- It isn't raining at the moment.
- What are you doing this evening?
- I was working when she arrived.
- It wasn't raining, so we didn't need an umbrella.
- What were you doing at 3 o'clock?
B
be + past participle (cleaned/made/eaten etc.)
| am/is/are + past participle (passive present simple) |
| was/were + past participle (passive past simple) |
- I'm never invited to parties.
- Butter is made from milk.
- These offices aren't cleaned every day.
- The office was cleaned yesterday.
- These houses were built 100 years ago.
- How was the window broken?
- Where were you born?
C
have/has + past participle(cleaned/lost/eaten/been etc.)
| have/has + past participle (present perfect) |
- I've cleaned my room.
- Tom has lost his passport.
- Kate hasn't been to Canada.
- Where have Paul and Nicole gone？
D
do/does/did + infinitive (clean/like/eat/go etc.)
| do/does + infinitive (present simple negative and questions) |
| did + infinitive (past simple negative and questions) |
- I like coffee, but I don't like tea.
- Chris doesn't go out very often.
- What do you usually do at weekends?
- Does Silvia live alone?
- I didn't watch TV yesterday.
- It didn't rain last week.
- What time did Paul and Nicole go out?