There has been a puppet-show如何改为否定句?如题,最好能告诉我there has been这种句型是如何改否定句的?

There has been a misunderstanding. there has been a time和there had been a time有什么区别? It has been there since a t_ years ago . there has never been a better time to esgapt there has been的用法 there has been a need for sth 不懂为什么是there has been?真是什么时态呢,. there has been...为什么要加been? He knows a lot about Egypt.I heard he( )there before. A.has been B.has gone C.had been. ---Where is your uncle?---He to Hong Kong.He there for many times.A.has gone;has beenB.has been;has been C.has gone;has gone D.has been;has gone There has always been a huge number of restaurants.为什么用has? The meeting ___when I got there.A has begun B has been on C had begun D had been on Hi there,It has been brought to our attention by a constituent,that your group has been using the mr.smith____here for there weeks a :has already been b :has already been being这题选哪个?为什么? 现在完成时has been里的been怎么翻译there has been a big earthquake 这个句子怎么翻译 been 又怎么翻译呢? Tom ( ) the Islands of Hawaii.He surfs three times a day there .A has gone to B has gone on C has been for D has been Look at the boy over there.Where _____ he _____ these days?A.has;gone to B.has;been to C.has;gone D.has;been there has been a large ___of rain this summer选择题there has been a large_______ of rain this summer.A.numberB.amoutC.plentyD.many she must have been a temporary worker 是什么时态?there has been a tendency to romanticize the accomplishments 是什么时态?是there be 为什么中间有个has?