2017届高三英语一轮复习同步课件：Unit 3 Period 3（人教版选修六）_高考复习指南

2017届高三英语一轮复习同步课件：Unit 3 Period 3（人教版选修六）

　　)＋thatclause(从句用陈述语气) (6)It＋is/was＋one’s turn(duty，pleasure，a pity，great fun，a habit，time，a rule，a shame，no wonder)＋to do sth It’s your turn to be on duty tomorrow. 明天该你执勤了。 (7)It＋is/was＋名词词组＋thatclause It’s a pity that he can’t swim at his age. 在他这个年龄还不会游泳真遗憾。 (8)It＋is＋过去分词＋thatclause It is reported that there will be a concert this Saturday night.据报道这个星期六晚上有一场音乐会。 (9)It takes(sb) some time to do sth It takes about half an hour to get to the airport. 到机场大概需要半小时。 (10)It cost/costs sb some money to do sth It cost

　　$2 million to build the hospital. 修建这座医院花费了200万美元。

　　(11)It＋动词＋主语从句 It struck me that everyone was unusually silent. 每个人都非同寻常的安静，这一点打动了我。 (12)It is/has been/was＋some time＋sinceclause It is/has been years since we parted in the West Point.我们从西点军校分手后有很多年了。

　　(13)It＋be＋具体时间＋when …

　　It was 11：00 when they arrived at the factory. 他们是11点到达的工厂。 (14)It was(not)＋some time＋beforeclause和It will(not)be＋some time＋beforeclause It was some time before I realized the truth. 过了很长一段时间我才悟出真相。

　　5．it作形式宾语：在英语中，如果一个及物动词后接一个由不定式、动名词短语或从句担任的宾语，后面接宾语补足语时，通常用it作形式宾语，把真正的宾语放到宾补后面。 I find it hard to learn gymnastics. 我发现学体操很难。 I believe it no use reading without understanding. 我认为读书不加理解是没用的。 Ⅰ.把下列各句转换成用it作形式主语的句子 1．To say is easy，but to do is difficult. 【答案】It is easy to say，but it is difficult to do. 2．He was clever to say so. 【答案】It was clever of him to say so. 3．Trying again is of no use. 【答案】It is no use trying again.