there is ,there are there was there were
用"There is ..." "There are ..." "There was ..."There were ..
there is ,there are there was there were
There is ,there was,there were 造句
用“have,has,had,there is,there are,there was,there were”填空.
用There is/are,There isn't/aren't,There was/were,There wasn't
请你用there is\isn'there are\aren't there was\wasn't there were
请用There is/are,There isn't/aren't,There was/were,There wasn'
选用“have,has,had,there is,there are,there was,there were”填空.
用 there is there are there was there were 分别造三个句子
用there is/was,there are/were填空.There is/was用单数句和不可数名词前,there
There was,There were造句,
用“there is,there are,there are't,there wasn't,there were,the