They failed to catch the bus,___ ___?(反义疑问句） 为什么是didn't they,不是did they

They failed to catch the bus,___ ___?(反义疑问句） 为什么是didn't they,不是did they Planes have tried to catch them,but they always failed.为什么不能用fail?前后的时态怎么确定? Jim failed to catch the bus.改为反义疑问句 they who should come failed to appear. They tired to climb the high mountain,h____,they failed. John ___missed the 8o'clock train that morning.A.failed to set B.failed to make.c.failed to catch 哪个,为什么 I tried to catch the bus,but failed.How__I was.a.to annoyb.annoyingc.annoyedd.annoy They were hurrying to catch their train.They were ___ ___ ___ to catch their train They were hurrying to catch their train.They were ___ ___ ___ catch their train They failed to come yesterday.改为同义句? 27.The policemen ______ to catch the thief.A.m27. The policemen ______ to catch the thief.A. managed B. succeeded C. failed D. ordered look carefully的句子The police tried to look carefully for the thief,but failed to catch him. They say it takes a thief to catch a thief. They had failed to locate the ship they had been sent to look for.翻译. He failed to catch the early bus this morning.改为同义句 He ____ ____to catch the bus this morning.RT, I failed to catch the last train yesterday.保持句意不变I ___ ___ ___ catch the last train yesterday. 用简单句子解释下列句子1.The worker failed to catch the train.2.Tjey all work very hard. they failed many times,but they （c ）to work hard.