俄罗斯最大城市照片:did you know he was having an affair?请问这句子是过去完成时吗?不是的话是什么句型啊?谢谢回答

did you know he was having an affair?请问这句子是过去完成时吗?不是的话是什么句型啊?谢谢回答 did he?did you find anything good about him When did Garrincha die,how old was he? The way he did it was different__we were used to. -Did you know that Mr,Li ____ in hospital? On the whole,I think he was quite right to act as he did. When he was older , he did not wear good clothes ,either. She was __ inexperienced __ that embarrassing situation so she did not know what to do. The opliceman was n_____to his work and did not know the know the answer to Jack's e____ He wantde to know where else you had been?