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Obligation, necessity and permission
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Game Code: 1936140
English
20
Public
modal verbs - rules
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JamilaB2
33
#English
#B2
#Modal verbs
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____ is used for strong obligations imposed by the speaker (internal obligation). The speaker uses this modal verb to express his/her authority.
must
15
_____ is used to give ver strong advice.
must
15
____ is used to tell oneself what is necessary.
must
15
____ is used in signs and notices indicating rules and laws
must
15
______ is used to talk about something that is not permitted.
must not or mustn't
15
______ is used to give very strong advice about what not to do.
must not or mustn't
15
______ does not have a past form. We use _______ instead.
must, have to
20
_____ is used to express obligation, particularly when this is imposed by someone else or by external circumstances (external obligation).
have to
15
____ is used to express lack of obligation.
don't have to
15
____ is used to express necessity.
need to
15
_______ is used to express a lack of necessity.
don't need to / needn't
15
You can use _____ or ______ or ____ when giving permission not to do something.
needn't, don't need, don't have to
25
to talk about general necessity we use _____.
don't need to
15
_______ + ________ is used to talk about an action which was unnessary, but was performd.
needn't have + past participle
25
_____ + _____ is used to talk about an action which was unnecessary, but usually indicates that the action was not performed.
didn't need to + infinitive
15
_____ (positive) and _____ (negative) are used to express obligation or give advice.
should, shouldn't
15
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