【正文】
here for three days. [正]He has been away from here for three days. [正]He left here three days ago. [正]It’s three days since he left. ■④限定動詞與非限定動詞限定動詞在句中作謂語,有人稱和數(shù)的變化。非限定動詞有動詞不定式、動名詞和分詞三種,也叫非謂語動詞,沒有人稱和數(shù)的變化。The room needs cleaning. 二、連系動詞系動詞亦稱連系動詞,作為系動詞,它本身有詞義,但不能單獨用作謂語,后邊必須跟表語(亦稱補語),構(gòu)成系表結(jié)構(gòu)說明主語的狀況、性質(zhì)、特征等情況。系動詞后不可接副詞,接的是形容詞。Be: He is a teacher.(is與補足語一起說明主語的身份。)I am fine. keep, rest, remain, stay,例如: He always kept silent at meeting. 他開會時總保持沉默。 This matter rests a mystery. 此事仍是一個謎。 表示看起來像這一概念,主要有seem, appear, look, 例如: He looks tired. He seems (to be) very sad. feel, smell, sound, taste, 例如: This kind of cloth feels very soft. This flower smells very sweet. bee, grow, turn, fall(asleep), get, go, e, run. He became mad after that. She grew rich within a short time.終止系動詞。表示主語已終止動作,主要有prove, turn out, 表達證實,變成之意,The rumor proved false. His plan turned out a success. (turn out表終止性結(jié)果)7.使役動詞:let,have,make 使,讓…Let /make somebody do sthThe teacher lets/makes them clean th