1.She looks pretty sick. I think she ________ go to a doctor.
a) should b) can
SHOULD
I’m playing tennis now. (this afternoon)
I will be playing tennis this afternoon.
A: Why do you need so much sugar? (INTENTION)
B: I ……………………………………… (make) a cake.
I'm going to make a cake.
Emily (date) some weird guys lately.
has dated
The fire ………………………………………….. (spread) to the next building before the firemen ………………………………………….. (arrive).
had spread/arrived
Hey I’m lost. ________ you help me?
Can b) Should
CAN
They are traveling. (all night long)
They will be travelling all night long
A: I don’t know how to use this mixer. (SPONTANEOUS DECISION)
B: That’s OK. I ………………………………….. (show) you.
I'll show you.
Jack blushed when he (realize) he loved Kate.
realized
His mother …………………………………………. (worry) a lot about him before she……………………………………… (hear) that he was safe.
had worried/heard
You’ve been driving all day. You ________ be exhausted!
a) should b) must
MUST
We’re working very hard. (at this time next month)
We will be working very hard at this time next month
Look at that young man. He looks very pale. He …………………………… (faint).
(PREDICTION WITH EVIDENCE)
He is going to faint.
Philip (take) some great pictures with his camera yesterday morning.
took
I __________________ (miss) the bus last night, so I _______________(come) back home very late.
missed/came
I ________ believe that you failed your test!
can’t b) shouldn’t
CAN'T
I’m studying English. (from 8 to 10)
I will be studying English from 8 to 10.
A: Why don’t you tidy your room? (PLANNED ACTION I N A NEAR FUTURE)
B: I ………………………… (play) football in ten minutes, so I haven’t got time.
I am playing
Last summer, Luke (think) that Annie was very attractive.
thought
They ……………………………. (go) home after they ………………………….. (finish) their work.
went/had finished
I’m on my way. I ________ be there in about 10 minutes.
may b) can
MAY
He’s doing the washing up. (in an hour’s time)
He will be doing the washing up in an hour's time.
I ………………………… climb that mountain one day.(PREDICTION)
I'll climb.
My mother (call) my sister several times lately.
has called
My father ……………………………. (water) the flowers after he ……………………….(clean) the car.
watered/had cleaned