FUTURES
RELATIVE CLAUSES
MODAL VERBS
CONDITIONALS
PREPOSITIONS
100

Everything is organised! I ...................... (send) them an e-mail to know their opinion.

AM GOING TO SEND

100

The boy ................... came yesterday is my cousin.

WHO / THAT

100

I think you ............................. (see) a doctor! it's just a recomendation.

SHOULD

100

If the weather doesn't get better, we .................... (stay) at home.

WILL STAY / MIGHT STAY / *ARE GOING TO STAY / *ARE STAYING

100

We have arranged to meet ................. 10 o'clock.

AT

200

I promise I ......................... (not/do) that again!

WON'T DO

200
Koalas, ................... live in Australia, are very cute animals.

WHICH

200

She  ........................ (follow) some rules at school. Like everybody else!

MUST FOLLOW / HAS TO FOLLOW

200
I ......................... (not/say) that if I were you!

WOULDN'T SAY

200

She is very good ..................... swimming.

AT

300

What time ................... the shop .................. (close)? At 8 o'clock.

DOES / CLOSE

300

Frank, .................. son is in my class, is my best friend.

WHOSE

300

You ............................. (not/be) serious! you are certainly lying! I'm sure!

CAN'T BE

300

Nobody will come to her party unless she ....................... (invite) them.

INVITES

300

She arrived ................... London at 10.

IN

400

We ............................ (celebrate) his birthday next Saturday. Do you want to come? YOU CAN'T USE "GOING TO"

ARE CELEBRATING 

400

That's the season of the year .................... the leaves of trees fall.

WHEN

400

Yesterday she .......................... (not/go) to class because it was a bank holiday.

DIDN'T HAVE TO / DIDN'T NEED TO

400
If they ......................... (not/have) class tomorrow, they would come with us.

DIDN'T HAVE

400
We are really looking forward .............. going on holiday.

TO

500

What are you doing next weekend? I don't know! I have to wait until she .......................... (arrive).

ARRIVES

500
Mr. Johnson, with ................... we had a meeting last week, has resigned.

WHOM

500
You had been working all day long! I'm sure you ........................ (be) really tired that day.

MUST HAVE BEEN

500
He wouldn't have arrived late last night if they .................. (take) a taxi.

HAD TAKEN

500

Everyone had to go ................. foot because the bus broke down.

ON