Слайд 2
![New notions: Possibility Ability Permission Obligation Request Necessity Advice](/_ipx/f_webp&q_80&fit_contain&s_1440x1080/imagesDir/jpg/151132/slide-1.jpg)
New notions:
Possibility
Ability
Permission
Obligation
Request
Necessity
Advice
Слайд 3
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Слайд 14
![Main meanings Must – obligation imposed by the speaker /](/_ipx/f_webp&q_80&fit_contain&s_1440x1080/imagesDir/jpg/151132/slide-13.jpg)
Main meanings
Must – obligation imposed by the speaker / logical assumption
Have
to – obligation imposed by a situation (external obligation)
Ought to – moral obligation denoting a duty, advice or a reasonable action
Need to – necessity
Should – suggestion, advice
Can – possibility, ability, permission
Could – past possibility, ability, asking for permission
May – request, permission
Might – possibility (higher degree of doubt), polite suggestion