1) We use an infinitive with/ without TO after can and could. a) Without b) With 2) The he / she / it form of can is can/cans a) Can b) Cans 3) The negative of can is don’t can/ can’t. a) Don't can  b) Can't  4) We use can to talk about the present / past. a) Present b) Past 5) We use could to talk about the present / past. a) Present b) Past

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