Unit 7 Section AGrammar Focus cry all night stay by one’s side sleep in warm arms run through the field make sure keep sb. from danger give sb. a hug lift up talk back整夜哭待在某人身边睡在温暖的臂弯里 穿过野确定；确保使某人远离危险拥抱某人举起，提起回嘴；顶嘴ReviewTranslate the phrases. watch scary movies give sb. awful dreams be back by ten think back to those times cough for days have scary dreams be late for school stay out regret doing sth.看恐怖电影带给某人恶梦在10点前回来 回想那些时光咳嗽好几天做可怕的梦上学迟到待在外面；不回家后悔做过某事I think students should be allowed to do homework with friends.Sixteen-year-olds should not be allowed to drive.Do you think sixteen-year-olds should be allowed to choose their own clothes?Look at these sentences.情态动词的被动语态肯定句: 主语+ 情态动词+be+ 动词过去分词.否定句: 主语+情态动词+not+ be+动词过去分词.疑问句: 情态动词+ 主语+ be+ 动词过去分词?(一)将主动语态的宾语变成被动语态的主语。(二)将含情态动词的主动句式变成被动句式，即：“情态动词+动词原形”变成“情态动词+be+过去分词”，然后再在其后加“by+主动句中的主语(人称代词用宾格)”。by短语也可省略。 请看下列各句：转变法You should finish your homework first.Your homework should be finished (by you) first. You can take this magazine home. This magazine can be taken home (by you). 含情态动词的疑问句、否定句的变化均需借助情态动词完成。 1. 一般疑问句：直接将被动语态的述句中的情态动 |
