be doing                                          (6 Infinitives)

have done – have been done

have been doing

ü He couldn’t have done it yesterday.

ü He can’t be still doing it.

«-»

Не может быть, чтобы не

Не может быть, чтобы он не присутствовал на уроке.

He can’t have been absent from the lesson.

Не может быть, чтобы он не был в курсе.

He couldn’t be in the dark about it.

Не может быть, чтобы он не позвонил ей.

He can’t have failed to call her.

 

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Can…?

Could…?

can’t

couldn’t

Неужели?

Разве?

= surprise

= disbelief

 

ü Can he be 30? He looks much older.

ü Could he be 30? He looks much older. (more tentative)

 

Can smb/smth

Could smb/smth

do – be done

be doing                                          (6 Infinitives)

have done – have been done

have been doing

ü Could she be so beautiful?

ü Can he have finished working?

ü Could he have been learning Chinese for 2 years?

ü Could the work have been finished by now?

Неужели … не?

Неужели он ничего не знает об этом?

Can he know nothing about it?

Неужели его нет?

Can he be out?

Неужели у него нет книг?

Can he have no books?

Неужели он не пришел?

Can he have failed to come?

 

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could + any Inf

might

мог бы и…

упрек = reproach

ü You could be more attentive at the exams.

ü You could have been more attentive at the exam.

 

may/might as well + Inf – с таким же успехом

ü I might as well have gone to bed.

ü I might as well be talking to the wall.

ü There is nothing else to do. We may as well watch TV.

 

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should

ought to

следует

следовало

стоит

совет or a week obligation, duty

    should

    ought to

do – be done