CBSE Class 6 English Should Must Can Worksheet

Question. You have been working all day. You............................ tired.
a) must be
b) can be
Answer: You have been working all day. You must be tired.

Question. You ............................. such a thing.
a) must not say
b) must not be saying
c) must not said
Answer: You must not say such a thing.

Question. She has been doing the same job for several years. She ............................... bored.
a) must be
b) can be
c) Must, Can
Answer: She has been doing the same job for several years. She must be bored.

Question. I can't find my key. I ............................. lost it.
a) can have
b) must have
Answer: I can’t find my key. I must have lost it.

Question. It .............................. be John. He is in Edinburgh.
a) can't
b) must not
Answer: It can’t be John. He is in Edinburgh.

Question. Who ......................... it be?
a) must
b) can
Answer: Who can it be?

Question. Nobody is answering the doorbell. They................................ out.
a) Must, Can
b) can have gone
c) must have gone
Answer: Nobody is answering the doorbell. They must have gone out.

Question. That .............................. John.
a) must be
b) can be
Answer: That must be John.

Question. Where ........................... he have gone?
a) can
b) must
Answer: Where can he have gone?

Question. I can't find one of my socks. You............................. it somewhere.
a) can have dropped
b) Must, Can
c) must have dropped
Answer: I can’t find one of my socks. You must have dropped it somewhere.

Question. She hasn't written back. She ........................... received your letter.
a) can't have
b) must not have
Answer: She hasn’t written back. She can’t have received your letter.

Question. I haven't seen him for ages. He............................ away.
a) must have gone
b) can have gone
Answer: I haven’t seen him for ages. He must have gone away.

1. Fill in the blanks with should, must, can, has to, have to or had to :

(a) We ________________ protect our environment. It makes good sense.

(b) We ________________ protect our environment.

(c) People ____________________ make changes in their habits.

(d) I ______________ read English and Hindi both.

(e) Stores ________________ give out recyclable plastic bags.

(f) He _________________ not miss a minute of work.

(g) They ______________ reach station timely to get train.

(h) He ____________ lift the weight.

(i) I ____________ go home.

(j) People ____________ do hard work in our past.

2. Tick [] if the statement is true :

(i) No animal can survive without water. [ ]

(ii) There are more than 2300 different kinds of snakes around the world. [ ]

(i) Deserts are endless sand dunes. [ ]

(ii) Most snakes lay eggs. [ ]

(iii) The humps help the animals to survive in the deserts. [ ]

(iv) Most snakes are harmless. [ ]

(v) Mongooses are famous for being able to kill snakes. [ ]

(vi) Mongooses like to hunt together. [ ]

(vii) Snakes cannot hear, but they can feel vibrations through the ground. [ ]

(viii) Camels store water in their humps. [ ]