Monday 3 March 2014

Grammar - Be/Have/Do in Present and Past Tenses

A     be (= am/is/are/was/were) + -ing
          am/is/are + -ing (present continuous)
·         Please turn down the radio. I’m studying.
·         What are you doing this weekend?
·         It isn’t raining now.

        was/were + -ing (past continuous)
·         I was studying when Sarah called.
·         What were you doing at ten o’clock?
·         It wasn’t raining, so we went for a walk.
       
B    be + past participle (eaten, slept, played)
          am/is/are + past participle (passive present simple)
·        Our rooms are cleaned every day.
·        I’m always invited to networking events.
·        Strawberries are imported into Malaysia.

        was/were + past participle (passive past simple)
·        Our rooms were cleaned this morning.
·        These houses were built over 30 years ago.
·        Where were you born?

C    have/has + past participle (present perfect)
·         We’ve cleaned our rooms.
·         Tim has lost his house keys.
·         Brenda hasn’t been to Asia.
·         Where have the children gone?



D    do/does/did + infinitive (eat/sleep/play)
       do/does + infinitive (present simple negative and questions)
·         I love coffee but I don’t like tea.
·         Cameron doesn’t go out very often.
·         What does John usually do in his free time?
·         Does your brother live alone?

        did + infinitive (past simple negative and questions)
·         I didn’t exercise yesterday.
·         It didn’t rain last month.
·         When did Peter and Sarah go on holiday?




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