英语选修6unit3语法it的用法省公开课金奖全国赛课一等奖微课获奖PPT课件.pptx

Grammarit真实身份大揭底“It”用作“人称代词”

1.It指代上文中提到物、事。（简化语言，防止重复）
eg.Mypenismissing.Ican’tfindit.
Xi’anisabeautifulcity,isn’tit?
Isthisyourdog？No,itisn’t.

2.指代性别不明人（常指baby）/说话人不清
楚性别人（常在打电话、敲门等时）:
eg.Thebabycriedbecauseitwashungry.
Thereisaknockatthedoor.Itmustbethe
milkman.
3.代替上文中指示代词this/that
--Whoisthatoverthere?
--It’sHelen.

“It”用作“非人称代词”“it”表示天气、时间、日期、距离、价值、度量、温度、
环境，季节，情况等（称为非人称it）：“It”用作“形式主语”
（8）adj.：legal，illegal，polite，impolite，possible,impossible,clear，obvious，
evident,certain，suitable，fit，useful，useless，etc.)②it+be+adj.+ofsb.+todosth.③it+be+n.+todosth.二、it+be+n./adj.+doingsth.Itisveryclearthathe’sroundandtalllikeatree.2.it+be+n.+that从句.Itisreportedthatmanypeoplediedinthe
earthquake.4.it+Vi+that从句.“It”用作“形式宾语”
（2）1.“一些谓v.+it宾语+宾补（n.\adj.）+真宾（todo\doing\that从句）”2.一些谓v.+it形宾+真宾（that/when/if从句）ExercisesTimeI.单项选择
1.Hedidn’tmake____clearwhenandwherethemeetingwouldbeheld.
(天津)
A.this B.that C.it D.these
2.____isourbeliefthatimprovementsinhealthcarewillleadtoastronger,moreprosperouseconomy.(浙江)
A.As B.That C.This D.It3.ThedoctoradvisedVerastronglythatsheshouldtakeaholiday,but______didn’thelp.(全国卷III)
A.it B.she C.which D.he
4.I’dappreciate______ifyouwouldliketoteachmehowtousethecomputer.(山东)
A.that B.itC.this D.you