答案： why (2)句型转换
He had an urgent thing to deal with.That was why he didn’t attend the meeting. →He didn’t attend the meeting.________________he had an urgent thing to deal with. 答案： That’s because
2.However，it is likely that Native Americans were living in California at least fifteen thousand years ago.
然而，可能美洲土著人至少一万五千年前就生活在加利福尼亚。 本句式中it为形式主语，真正的主语为that从句。
It is likely that...……是可能的，此句型可转化为：sb./sth.be likely to do...某人/物可能干某事。
①It is very likely that，in many schools，the students are going to spend less time in doing homework than they used to.
在很多学校学生做作业的时间有可能比从前少。
②As far as I know，he is likely to drop out of school to attend his sick mother. 据我所知，他有可能辍学照顾生病的母亲。【举一反三】句型转换
A visit to the rainforest for us students is likely to be an unforgettable experience.
→________ ________ ________ ________a visit to the rainforest for us students will be an unforgettable experience.
答案： It is likely that
3.It is believed that before long the mix of nationalities will be so great that there will be no distinct major racial or cultural groups，but simply a mixture of many races and cultures.
人们认为，要不了多久，多种国籍的混合将会非常之大，以至于不可能存在一种明显主要的种族或文化群体，而只是多种族、多文化的混合体。
It is believed that...人们认为……。在该句型中，it是形式主语，that引导主语从句。
①It is generally believed that IT has both advantages and disadvantages.人们普遍认为信息技术既有优点又有缺点。
It’s said that... 据说…… It’s reported that... 据报道…… It’s hoped that... 大家希望…… It’s well-known that... 众所周知…… It’s thought that... 大家认为…… It’s suggested that... 据建议……
②It is hoped that the cost of medical care can be cut down. 人们希望医疗费能够降低。
[来源学科网Z|X|X|K]
【举一反三】句型转换
①It is believed that education is the most important issue facing the government.
→Education ________ ________ ________ ________the most important issue facing the government. 答案： is believed to be
②It is reported that the way people spend their holidays has changed a great deal in the past ten years. →The way people spend their holidays________ ________ ________ ________ ________ a great deal in the past ten years.
答案： is reported to have changed
③It is said that the teacher is very strict with his students.
→The teacher ________ ________ ________ ________very strict with his students. 答案： is said to be 【对点训练】 Ⅰ.单句语法填空
1．Since he was 67，it didn’t seem________(like) that he would continue long in that position. 答案： likely
2．Rudolph just stood there，saying nothing.__________(apparent) he was a man of few words. 答案： Apparently
[来源:Zxxk.Com]
3．—I hear you’ve been looking for a job recently. —Yes，I’m applying ________work at the library. 答案： for
4．While living in this beautiful small town，Mr Green，who went in for literature so much，wrote________good many wonderful poems.
答案： a
5．I would be strictly________(punishment) if I was caught taking a coin out of Mom’s pocket or candy from my brother’s bag.
答案： punished
6．It just occurred to me________if we wanted to go to the seashore for our vacation，we had better make reservations in advance.
答案： that
7．In many places，the bicycle is still________popular means of transportation. 答案： a
8．By the time the teacher arrived at the station，the scientist________________(leave)．