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?