一 現在分詞的構成
1一般在詞尾加ing。
如:study—studying. see—seeing.sing—singing.play--playing
2以不發音e結尾詞,去掉e,再加ing,如:write—writing.take—taking.
3以ie結尾的詞變ie為y,再加ing,如:tie—tying.lie—lying.
4雙寫情況
run—running put—putting stop—stopping get--getting
plan—planning swim—swimming begin—beginning
dig—digging prefer—preferring.
二 過去式和過去分詞的構成
規則動詞的過去式和過去分詞的構成:
1:一般動詞加ed.
finish—finished; call—called.
2:以e接尾的動詞加d.
like—liked; agree—agreed.
3:以子音字母加y接尾的詞,先將y變為i.再加ed.
study---studied; try---tried.
4:雙寫情況。
stop—stopped. prefer—preferred.
不規則動詞的過去式和過去分詞的構成:
1:AAA型。
cut—cut—cut. put—put—put.
set—set—set. let—let—let.
read—read—read.
2;ABB型。
get—got—got. buy—bought-bought.
have/has—had—had. keep—kept--kept
3:ABC型。
go—went—gone. do/does—did—done.
am/is—was—been. are-were—been.
eat—ate—eaten. give—gave—given.
see—saw—seen. sing-sang—sung.
write—wrote-written. drink-drank—drunk.
4:ABA型。
come—came—come. run—ran—run.
become--became--become.
注意:特殊的動詞
lay---laid---laid—laying.放,擱;下(蛋)。
lie---lay---lain---lying.躺;位於(in,to,on)。
lie---lied---lied---lying.說謊。
hang—hanged—hanged .絞死,吊死
hang—hung---hung .懸掛;逗留,徘徊
三 第三人稱單數形式的構成
哪些詞屬於第三人稱單數:
1 he she it作主語時;He gets up early every day.
2 不定代詞作主語時;I hope everything goes well.
3 動詞不定時作主語時:To play in the street is dangerous.
4 動名詞作主語時;Getting up early is good for your health.
5單個的人或物作主語時; Our math teacher is tall.
My little dog looks like a cat.
動詞第三人稱單數形式的構成:
1一般動詞後加s,如like—likes; play—plays.
2以子音字母+y結尾的動詞,變y為i;再加es,如study—studies,cry—cries.
3以s,x,ch,sh或o結尾的單詞,後加es,如watch—watches;go—goes.
4不規則形式,如have—has,be—is.
一 現在分詞的構成
1一般在詞尾加ing。
如:study—studying. see—seeing.sing—singing.play--playing
2以不發音e結尾詞,去掉e,再加ing,如:write—writing.take—taking.
3以ie結尾的詞變ie為y,再加ing,如:tie—tying.lie—lying.
4雙寫情況
run—running put—putting stop—stopping get--getting
plan—planning swim—swimming begin—beginning
dig—digging prefer—preferring.
二 過去式和過去分詞的構成
規則動詞的過去式和過去分詞的構成:
1:一般動詞加ed.
finish—finished; call—called.
2:以e接尾的動詞加d.
like—liked; agree—agreed.
3:以子音字母加y接尾的詞,先將y變為i.再加ed.
study---studied; try---tried.
4:雙寫情況。
stop—stopped. prefer—preferred.
不規則動詞的過去式和過去分詞的構成:
1:AAA型。
cut—cut—cut. put—put—put.
set—set—set. let—let—let.
read—read—read.
2;ABB型。
get—got—got. buy—bought-bought.
have/has—had—had. keep—kept--kept
3:ABC型。
go—went—gone. do/does—did—done.
am/is—was—been. are-were—been.
eat—ate—eaten. give—gave—given.
see—saw—seen. sing-sang—sung.
write—wrote-written. drink-drank—drunk.
4:ABA型。
come—came—come. run—ran—run.
become--became--become.
注意:特殊的動詞
lay---laid---laid—laying.放,擱;下(蛋)。
lie---lay---lain---lying.躺;位於(in,to,on)。
lie---lied---lied---lying.說謊。
hang—hanged—hanged .絞死,吊死
hang—hung---hung .懸掛;逗留,徘徊
三 第三人稱單數形式的構成
哪些詞屬於第三人稱單數:
1 he she it作主語時;He gets up early every day.
2 不定代詞作主語時;I hope everything goes well.
3 動詞不定時作主語時:To play in the street is dangerous.
4 動名詞作主語時;Getting up early is good for your health.
5單個的人或物作主語時; Our math teacher is tall.
My little dog looks like a cat.
動詞第三人稱單數形式的構成:
1一般動詞後加s,如like—likes; play—plays.
2以子音字母+y結尾的動詞,變y為i;再加es,如study—studies,cry—cries.
3以s,x,ch,sh或o結尾的單詞,後加es,如watch—watches;go—goes.
4不規則形式,如have—has,be—is.