1) About the modal verb"could" , which one is NOT correct? a) It's used to express permission, requests, ability and suggestions. b) It's only used in the simple past tense and formal sentences. c) It's the modal verb "can" in the past. 2) In the case of "request" and "permission", which one is incorrect? a) Request and permission can be used in a formal and informal situations. b) Permission: to ask someone if you're allowed to do something. c) Request: to ask someone to tell or do something. 3) In the case of "ability", which one is correct? a) Can only express something you're able to do in the past. b) Can express something you were about to do, but you didn't and something you're able to do in the past. c) Can only express something you were about to do, but you didn't. 4) Which sentence is wrong? a) Could we travel to Israel this year, please? b) It could be true! c) He couldn't took you home yesterday. 5) Which sentence is correct? a) Could I make a suggestion, Mr. Bean? b) You couldnnot ever enter in my room: it's my private place! c) He could sing at the prom last ight, but he gived up.

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