18 - ] Grammar Practice Exercises
Upper Intermediate
12 - ] Modal Auxiliaries [ Verbs ] , Modals
1
- ] Rewrite the following sentences using a modal . The underlined words can be
written as subject + modal + verb [ or modal +subject + verb in questions ]. In
some sentences ,more than one modal is possible .
[ can , could - may , might - will , would -
shall , should - must , had to - ought to - need ]
Examples
1
. I promise to phone you next week .
I
will / I’ll phone you next week .
2
. At the age of nine , he still didn’t know how to read .
At
the age of nine ,he still couldn’t read .
3
. It’s essential that w leave on time tomorrow morning .
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4
. Are you able to come with me tonight ?
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5
. It’s not a good idea for you to work so hard .
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6
. It’s possible that they’ll be here soon .
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7
. Why don’t we go and see a film tonight ?
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8
. He said that he intended to write to me soon .
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9
. Is it possible for me to sit here ?
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10.
He refuses to give me an answer .
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11
. It’s not necessary for you to apologize .
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12
. Am I allowed to smoke in here ?
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13
. He knew how to speak your languages by the time he was twelve .
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14
. I want to help you but I’m not able to .
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15
. I think it’s a good idea for me to stay in tonight : I’ve got a lot of
work to do .
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16
. I don’t know who she is but it’s possible that she’s Ahmad’s sister .
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17
. Do not tell him any of this : it’s vital that it remains a secret .
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18
. I intend to finish this essay before I go to bed .
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19
. It’s 7 o’clock . I assume that Adel will be here soon .
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20.
He’s in but he’s not answering the phone . I’m sure that he’s asleep .
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Ability : can, could , be able .
Complete the sentences with the correct form of can , could or
be able to .If it is possible to use can / could or be able ,
use can / could .
Examples
1
. He is very fit for his age . He can run ( run ) really fast .
2
. I’d like to be able to work ( work ) with you one day .
3
. He ----------------------( not climb ) up to the top : he was too scared .
4
. If they hadn’t phoned for an ambulance , he ---------------------( die ) .
5.
I love --------------------( spend ) all morning in bed at the weekends.
6
. We -------------------------( go) to that concert tomorrow if the tickets
haven’t sold out .
7
. I think you should go in spring : it -----------------( be ) very crowded
there in the summer.
8
. I ----------------------( not understand ) what he says : he speaks too
quickly .
9
. Do you know where Ali’s glasses are ? He -------------( not see ) very much
without them .
10.
---------------------------( speak ) another language fluently is a great
advantage when you’re looking for a job .
11
. Khalid -----------------------( not say ) anything until he was about three
years old .
12
. We ----------------------( not phone her up ) because her phone had broken ,
but fortunately we ----------------------( get ) a message toher .
13
. Noura’s exam results weren’t very good . She -----------------( do) better .
14
. I -----------------------( not sleep ) very well for the last four nights .
It’s been too hot .
15.
She tried to think of other things but she ------------------------( not put )
that awful memory out of her mind .
16
. You should -------------------( gout ) when you want to .
17.-------------------------(
you come ) to the party on Saturday ?
18
. I --------------------( ride ) this bike soon : I just need more time to
practice .
19.
He doesn’t do very much when he’s here . He --------------------( be ) more
helpful .
20
. I --------------------------( play ) tennis really well a few years ago , but
not anymore .