下载后可任意编辑考点专项突破高中英语高中英语水平考知识点1…expertwhotriestokeepanimalsandplantsfrombecomingendangered
定语从句,keepsb
fromdoing词组Weoftentalkabouthowimportantitistotakegoodcareofourselvesandourplanet,butwedon’talwaysdoaswesay,”StevesaysashetakesusonatourofGreenParkinBirmingham
Ifwewanttoliveabetterlife…wemustlearntoactinwaysthatdonotharmotherlivingthings
itisimportanttodosth
做某事很重要,感叹形式howimportantitistodosth
,doas/whatwesay,as在此处相当于宾语从句中what的作用,live/leada…life,过一种…的生活Ifweknowmoreaboutwhatcausesendangerment…knowsomething/little/alittle/nothing/muchabout对…了解一些/不多/一点/不了解/很多下载后可任意编辑高中英语水平考知识点2不定式做主语:1、不定式做主语一般表示具体的某次动作
===动名词doing表示习惯的,常常的动作
g:Tofinishthebuildinginamonthisdifficult
Todosuchthingsisfoolish
Toseeistobelieve
(对等)注:1)
不定式作主语时,谓语用单数2)
当主语较长,谓语较短时,常用it做形式主语,而将不定式放到谓语的后面
it做形式主语,不定式放在谓语动词之后常用于下列结构中