1247216
| Questão | Responda |
| CAN | something is posible or allowed only for present or past (could) Present perfect - to be able to |
| Can't=cannot | I can't do this. I couldn't do this. I haven't been able to do this. |
| Be able to / Managed to | capable to do stg in a special situation Although I didn't know the rules I was able to win the match. |
| Could | - past for can I could hear that noise. - for make suggestions for now and future (possibility now or in the future) We could go to the cinema - not realistic actions I could slep for a week |
| Could have done | - for the past I was so tired I could have slept whole day. - stg was possible but did not happened I could have got you a ticket (but I didn't) |
| Couldn't | - sth not possible now I couldn't live in the City. I hate it |
| Couldn't have | - for the past I was on Holidays. It couldn't have been better. |
| CAN | I can + infinitive I can't + Infinitive Can I + infinitive |
| Could | I could + infinitive I couldn't + infinitive Could + I + infinitive |
| Could have | I could have been ... I could have + erd I couldn't have + erd |
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