Tom with his parents______ to America. They_____ back in two weeks.
A.have gone; will comeB.has gone; will come
C.have been; have comeD.have been; come
B

試題分析:句意:湯姆還有他的父親已經(jīng)去了美國(guó)。他們兩周后回來(lái)。結(jié)合語(yǔ)境可知前文描述的是現(xiàn)在已經(jīng)完成的動(dòng)作,故用現(xiàn)在完成時(shí)態(tài)。下文描述的是將來(lái)的動(dòng)作,故用一般將來(lái)時(shí)態(tài)。Been to表示去過(guò),已回來(lái),故選B。
點(diǎn)評(píng):英語(yǔ)中的時(shí)態(tài)主要是借助于時(shí)間狀語(yǔ)與上下文語(yǔ)境來(lái)進(jìn)行判斷。解答此類(lèi)題型,首先要注意句子中的時(shí)間狀語(yǔ),如果沒(méi)有則要通過(guò)分析上下文,結(jié)合語(yǔ)境來(lái)判斷句子的時(shí)態(tài)。完成時(shí)態(tài)中的動(dòng)詞有瞬間動(dòng)詞和持續(xù)性動(dòng)詞之分,瞬間動(dòng)詞的過(guò)去分詞強(qiáng)調(diào)的是動(dòng)作的完成,持續(xù)性動(dòng)詞強(qiáng)調(diào)的是動(dòng)作的持續(xù)性。現(xiàn)在完成時(shí)態(tài)中表示一段時(shí)間的時(shí)間狀語(yǔ)不能和瞬間動(dòng)詞連用,持續(xù)性動(dòng)詞不能和表示瞬間時(shí)間的時(shí)間狀語(yǔ)連用,需注意區(qū)分。
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