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　　c).特殊疑问句

　　There be句型的特殊疑问句形式有以下三种变化：

　　① 对主语提问：

　　当主语是人时， "Who's+介词短语?  当主语是物时， "What's + 介词短语?

　　注意：无论原句的主语是单数还是复数，一般都用be的单数形式(回答时却要根据实际情况来决定)。如：

　　There are many things over there. →What's over there?

　　There is a little girl in the room.→Who is in the room?

　　② 对地点状语提问： Where is / are+主语?

　　There is a computer on the desk. → Where is the computer?

　　There are four children on the playground. →Where are the four children?

　　③ 对数量提问：一般有两种句型结构：

　　How many+复数名词+are there+介词短语？

　　How much+不可数名词+is there+介词短语？

　　5).There be 句型的时态。

　　A).一般现在时 There is / are + n + ….

　　B).一般过去时 There was /were + n + …

　　C).一般将来时 There will be + n +…(There is /are going to be +n + …)

　　D).现在完成时 There have /has been + n +….

　　There _____ great changes in our hometown in the last 10 years .

　　A.have had   B.has had    C.have been     D.has been

　　6).There be 句型的反意疑问句，____ there ?

　　There is little water in the glass ,_____ ____ ?