Item 9

Item 9

[S] can /could + F1

[S] be able to F1

      Be +adj + to F1

[Tutula] can jump really high.

Tutula is able to jump really high.

[The children] can sing so well.

[The children] are able to sing so well. 

[Lina] could keep a German Shepherd years ago.

[Lina] was able to keep ………………………………….

[Peter and Paul] could go out at night last year.

[Peter and Paul] were able to go ….. …………….

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Be:  am/is/are    being       was/were       been

Be able to F1

   F1                          F3

am/ is ----------------   was

are     ----------------   were

Perfect tenses  : Verb-to-be

Present Perfect                   Past Perfect               Future Perfect

have/ has been                  had been                   shall/will have been

Tita has been able to go travelling since 10years ago.  He is going again this coming December.  He enjoys travelling around.

[Jack] had been able to stay there peacefully until   [a nasty neighbour ] moved in.                                                          conj                                   

Sisi will have been able to get the scholarship to study in Taiwan if she gets credit in the Chinese subject.

Modal verbs

Modal verb + be able to F1

Modal verb + have been able to F1

Siew Ling may be /might be able to visit her aunt in New Zealand when [she] goes there next month.

Helena must have been able to earn a lot as [she] always goes for brandy goods.

[George and his neighbours] ought to have been able to stand guard to night-watch to prevent the rampant burglary.