Should, Ought and Must

Should and ought have similar meanings. They are both used to talk about obligation, and to give advice or instructions.

Must is stronger than should and ought.

Must expresses certainty. Should/ought to expresses probability.

Sections in this article

Sentence agreement
Sentence agreement: plural subjects
Sentence agreement: collective nouns
Sentence agreement: indefinite pronouns

See also

Common mistakes in the use of nouns
Common mistakes in the use of nouns | Exercise 1
Common mistakes in the use of nouns | Exercise 2
Common mistakes in the use of nouns | Exercise 3

More CBSE English Grammar worksheets

Passive voice worksheet | Simple past tense
Passive voice worksheet | Past continuous tense
Passive voice worksheet | Simple future tense
Passive voice worksheet | Future perfect tense

 

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