Modal Verbs (must, mustn’t, have to, don’t have to)
In hot weather, you …… drink a lot of water.
must
Don’t come in here! I have ……… cleaned this floor!
just
I was playing tennis when it ……. (start) to rain
started
If you leave ice in the sun, it…… (melt)
melts
If I go to Italy, I ……….. (visit) the Colosseum.
will visit
In class, you …… use your mobile phone
mustn’t
Have you finished that composition for History class ……… ?
yet
I was reading the newspaper while you …….. (work)
were working
If you stand in the rain, you …… (get) wet
get
If I have time tomorrow, I ……… (help) you
will help
At school, I …… listen to the teacher
have to
I don’t want to see “Alien 9” at the cinema again. I’ve …….. seen it twice.
already
I was cooking when the tornado ……. (hit)
hit
If you keep milk in the fridge, it ….. (last) longer
lasts
You will get an electric shock if you …….. (touch) that wire
touch
In very cold weather, you …… wear a coat and boots
have to
“Have you called Yasmin?”
”No, not …… . I’ll do it now!”
yet
You were singing while I ……. (work) in the garden
was working
If you put water in the freezer, it …… (become) ice
becomes
If we win, we …….. (celebrate) soon
will celebrate
I ……. Take the bus to school. I can walk.
don’t have to
I’m sorry. You have …… missed Katie. She left the office about three minutes ago!
just
The telephone …….. (ring) when I was watching the TV
rang
Water …… (boil) if you heat it at 100 degrees
boils
You ……… (pass) the exam if you study
will pass