3、hyheislateishewasillyesterday3.主语从句的特殊形式:it做形式主语的主语从句结构(1)Itis＋名词＋从句Itisafactanhonorthat（2)itis＋形容词＋从句Itisnaturalobviouspossiblethat…(3)itis＋不及物动词＋从句Itseemshappenedthat…(4)it＋过去分词＋从句Itisreportedthat…据报道…Itissaidthat…据说…Ithasbeenprovedthat…已证实…练习1._____ as much as one-fifth
4、 of all timber harvested is not used.A. The estimate B. The estimate C. They are estimated D. It is estimated that2. _____ wasonceregardedasimpossiblehasnowbecomeareality. A. That B. Which C. Who D. What 3. _____ we have achieved is attrib
5、uted to the guidance of our parents. A. Whoever B. Whatever C. However D. That 4. _____ yousaynowcan’tmakeupforwhatyou’vedone. A. Nomatter B. Whatever C. However D. That5. Although _____ happened in this developed country sounds like science fiction, it
6、could occur elsewhere in the world. A. which B. what C. how D. it6. _____ she had forgotten to take her notebook. A. That occurred to her B. She occurred that C. To her that occurred D. It occurred to her that7. I am sure that _____
7、she said is wrong. A. which B. all C. this D. What8. We lost our way in the forest, and _____ made matters worse was that it was getting dark. A. that B. which C. it D. What1—5DDBBB6—10DDDBD（二）．宾语从句2.引导词(与主从一样)3.宾语从句的几种形式(4)动词+it+that结构It做形式宾语，代替
