Deduzioni passate con i verbi modali


Per esprimere conclusioni su eventi passati, si può usare la forma must have + past participle :

Esempi
The sidewalks are wet. It must have rained overnight. Our electricity bill is enormous. We must have used a lot of electricity.

Andrea’s late. He must have missed the bus again.

Allo stesso modo, si può usare la forma must have been + gerund per concludere su una azione in progresso del passato:

Esempi
Your English has improved. You must have been taking lessons.

They look really tired. They must have been working hard.

 

Per esprimere conclusioni negative, suggerimenti che qualcosa è impossibile, si usa can’t have + past participle o can’t have been + gerund:

Esempi
Andrea can’t have got my email or he’d have replied by now.

You can’t have listening or you’d have understood what i was talking about.

She can’t have been sick on Friday. I saw her at the party.

 

[Voti: 11    Media Voto: 2.9/5]
Scritto da Alessandro Consorti

Lascia un commento

Il tuo indirizzo email non sarà pubblicato. I campi obbligatori sono contrassegnati *