PRESENT SIMPLE
He ___________(brush) his teeth every day.
brushes
ADVICE
If you have a headache, you _____________ (go) to the doctor.
should go
They grow the vegetables organically.
The vegetables are grown by them organically.
1º CONDITIONAL
If we________________ (not protect) the environment, lots of animals____________ (be) endangered.
don't protect / will be
Pepito broke the window.
WHO broke the window?
PAST SIMPLE VS CONTINUOUS
I ____________(not see) the thief while he _________(steal) the money.
didn't see / was stealing
IMPOSSIBILITY
Turtles _____________fly.
can't
Does Mrs. Prince organize the gardening club at school?
Is the gardening club organized by Mrs. Prince at the school?
2º CONDITIONAL
You ____________ (lose) weight if you ____________ (not / eat) so much.
would lose / didn't eat
I remember___________ (kiss) my first boyfriend when I was 18 years old.
kissing
(remember something from the past)
PRESENT PERFECT
__________you________ (finish) the English project yet? We only have one day left.
Have you finished....?
IMPOSSIBILITY (past)
When I was a 2 years old, I ______________ ride a bike.
couldn't
The architect designed a stunning skyscraper for the city last year.
A stunning skyscraper was designed by the architect for the city last year.
3º CONDITIONAL
If I _________________ (know) that you were in hospital, I _______________(go) to see you.
Could you try __________ (move) this wardrobe for me? I can't because it is too heavy.
to move
(something difficult)
PAST SIMPLE VS PAST PERFECT
The film___________ (start) when we___________(arrive) to the cinema.
PROHIBITION
You _____________ feed the animals. It is prohibited.
mustn't
My father didn’t put the milk in the fridge.
The milk wasn't put by my father in the fridge.
MIXED CONDITIONAL
We wouldn’t have met Angel if we ___________ (not / go) to the party.
hadn't gone
Make a question for the following answer:
I went to Dublin last summer.
What did you go last summer?
When you _____________ (call) me last night, I ______already______(fall) asleep.
had called / had already fallen
You___________ use the elevator in case of fire.
Did the students complete their assignments on time during the semester?
UNLESS
If I didn't win the lottery, I wouldn't go on holiday.
UNLESS I WON the lottery, I wouldn't go on holiday.
(I think it is the best option)