Question

【题目】They have already seen the movie.（改为否定句）

They __________ seen the movie __________.

Answer 1

【答案】haven't yet

【解析】

句意：他们已经看过这部电影了。

题目要求改为否定句。分析句子可知，原句时态是现在完成时，改为否定句需在助动词have后加not，可缩写为haven't；否定句需将already改为yet放在句尾。故填(1). haven't (2). yet。