Odie的英语课 918 Grammar | Ability 3

Be able to 的否定句I'm able to attend the meeting. 我能参加会议。—> I am not able to attend the meeting.我不能参加会议。You're able to leave the country without a passport. 你可以在没有护照的情况下离开这个国家。—>You aren't able to leave the country without a passport. 没有护照你不能离开这个国家。He's able to drive a car. 他会开车。—>He isn't able to drive a car.他不会开车。She's able to read without glasses. 她不戴眼镜就能看书。—>She isn't able to read without glasses.她不戴眼镜就不能看书。We're able to buy a new house. 我们能买个新房子。—>We aren't able to buy a new house.我们买不起新房子。They're able to walk very far. 他们能走很远。—>They aren't able to walk very far.他们不能走很远。Be able to 的过去时把 be 变成 was/were —> was/were able toI was able to come to your party.[过去某时]我能来参加你的聚会。I wasn't able to come to your party.我没能来参加你的聚会。We were able to leave on time.[过去某时]我们能够准时离开。on time 准时We weren't able to leave on time.我们没能准时离开。