The document provides examples of using modal verbs like "must", "can't", "should" and their forms in different tenses. It gives sentences with blanks to be filled with the proper modal verb form based on the tense. It also gives examples of using other common verbs like "watch", "go", "study", "drive" in their appropriate tenses. The purpose is to help learn the correct usage of verb forms and tenses in English sentences.

1. Must + V (for the present and future)
or Must +have + participle?
Can't + V (for the present and future) or
Can't +have + participle Should + V (for the present and future)
or Should + have + participle
Express probability, using the
necessary form of the verbs.
1. Bobby can't find his pen at the
lesson. He ...(leave) it at home.
2. Helen can't carry her bag because it's
too heavy. She ... (leave) some of her
things at home.
3. The New Year party is coming.
Something exciting ... (happen).
4. My sister looks so worried today.
Something ... (happen).
5. Susan hasn't been invited to go to the
cinema. She ... (forget) about it and not
get upset.
6. Alice didn't send a telegram this
morning. She ... (forget) about it.
7. John passed all his exams. He ...
(prepare) very well.
8. Jane is going to apply to Oxford
University. She ... (prepare) very well.
9.- Frank didn’t tell Jenny about the
birthday party for Jacky. He ……. He
(forget) all about it.
10.- Peter didn’t know about the
meeting at work. Nobody ….. (let know)
about it.
Use the proper form of the verbs.
1. Helen ... (watch) TV now because she
hasn't done her homework yet.
2. Alice ... (go) to the library without me.
She wanted me to show her the way.
3. We ... (go) for a walk now because it's
raining.
4. Peter must enter this college in
summer. He ... (fail) the exams!
5. John ... (fail) the exams last month.
He'd been preparing the whole year.
6. The exhibition of French art was
wonderful! It... (make) a poor impression
on the visitors.
7. Edward is the best pupil in our class.
He ... (make) a bad impression on his
teachers at the final exams next summer.
8. You ... (enjoy) the performance last
Sunday. It was long and dull.
9. Jane has got so many things to do
today. She ... (stay) at home all day long
watching TV.
10. Jane ... (stay) at home yesterday,
because I was calling her all day long and
nobody answered the phone
11. Nick …(change) his mind about
applying to London School of Economics.
He'd been dreaming about it all his life.
12. I've made up my mind to become a
teacher of English but my parents want
me to be a translator. I... (change) my
mind!
Fill In the gaps with the most suitable
form of the verbs.
You ... (go) to bed immediately, Kitty!
It's too late!
You ... (go) to bed an hour ago.
Pupils ... (study) hard before exams.
You ... (study) harder last year. And you
would have entered the college.
Nick has become so fat. He ... (eat) so
much chocolate and so many cakes.
If you are hungry you ... (have) a snack.
Helen is upset because her friends
didn't congratulate her on her exam
results. They ... (do) it, of course.
Emily has become a student. We ...
(congratulate) her!
Nick is a careless driver. He ...
(drive) more carefully.
Last week he had a car accident because
he was driving too fast. He ... (drive)
more carefully.
Bill got only the silver medal at the
boxing competition. He ... (train)
more regularly.
Tom Johnson is going to take part in the
Olympic Games next year. He ...
(train) regularly.
Why have you told Mum I've prepared a
present for her? You ... (keep) it
secret.