14/6/13

modals: special difficulties (and 9)


9.- MODAL VERBS AND THE PASSIVE

Having no past participle, modal verbs cannot be conjugated in the passive, but they can express passive ideas if they are followed by a passive infinitive:

It can’t be done – no puede hacerse.
It must be done - debe hacerse.

To know more about Modal Verbs, you can consult my Gramática Inglesa pp. 294-327.

Practice -9

Turn the following sentences into the passive

a.- You must finish this as soon as possible
a.- This ........................................................
b.- We must tell the police at once
b.- The police ................................................
c.- They might have run you over
c.- You ......................................................
d.- They ought to give him a medal
d.- He ..........................................................


KEY TO PRACTICE -9

a- This must be finished as soon as possible
b- The police must be told once
c- You might have been run over
d- He ought to be given a medal.  

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