1、Talking about obligation or lack of obligation zxxkobligation:must do have to do必须做 不得不做(客观上的需要)lack of obligation:dont have to do dont need to do没有必要做不必要做1.Stop!You _ give yellow flowers to the host!Its unlucky!2.Dont worry.You _ eat anything you dont like.mustnt,cantdont have to,needntComplete the
2、 sentences with verbs to express obligation or lack of obligation.3.Im sorry.You cant leave.You _ wait until the prizes have been given.4._I _take some food to the party?5.You _ take a gift to the host,but she will be very pleased if you do.must,have toDo have to,need todont have to,dont need todidn
3、t need to do and neednt have done学科网1.didnt need to do:不需要做而且也没做2.neednt have done:本不需要做而做了1.We brought some food to the party but there was too much,so we _(bring)any.2.My friend spoke good Mandarin so I _(translate)the speech for him.neednt have broughtdidnt need to translateComplete the sentences
4、 using didnt need to do or neednt have done3.The office had already opened when we arrived so we _(wait)outside in the street.4.I got to the party at 6 p.m.,but there was no one there.So I _(arrive)so early.didnt need to waitneednt have arrived5.I told the host all about my home town and then he tol
5、d me hed been there.I _(tell)him anything.neednt have told1.天要下雨了,你没必要浇花。It was going to rain.You did neednt to water the flowers.2.昨天你本没必要去车站。You neednt have gone to the station yesterday.TranslateTranslate3.你无需告诉他这一消息,那只会使他悲伤。You didnt need to tell him the news;it just made him sad.4.如果我早知道火车站这么近,我就用不着打出租车了。组卷网If I had known that the railway station was so near,I neednt have taken a taxi.
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