八年級(jí)英語(yǔ)上冊(cè)語(yǔ)法復(fù)習(xí)資料 分單元1
find sb doing sth 發(fā)現(xiàn)某人做某事
see/hear/watch sb doing sth
看到/聽到/觀看某人做某事
try doing sth 試圖做某事
need doing sth 需要做某事
prefer doing sth 寧愿做某事
mind doing sth 介意做某事
miss doing sth 錯(cuò)過做某事practice doing sth 練習(xí)做某 be busy doing sth 忙于做某事
can't help doing sth
禁不住做某事
12) 英語(yǔ)中的“單數(shù)”
1.主語(yǔ)的第三人稱單數(shù)形式,即可用“he, she, it”代替的。如:
he,she, it,my friend, his teacher, our classroom, tom, mary's uncle
2.名詞有單數(shù)名詞和復(fù)數(shù)名詞。如:
man(單數(shù))---men(復(fù)數(shù)) banana(單數(shù))---bananas(復(fù)數(shù))
3.動(dòng)詞有原形,第三人稱單數(shù)形式,-ing分詞,過去式,過去分詞。如:
go---goes---going---went---gone
work---works---working---worked---worked
watch---watches---watching---watched---watched
當(dāng)主語(yǔ)為第三人稱單數(shù)的時(shí)候,謂語(yǔ)動(dòng)詞必須用相應(yīng)的第三人稱單數(shù)形式。
如:
the boy wants to be a sales assistant.
our english teacher is from the us.
their daughter makes her breakfast all by herself.
13) 名詞的復(fù)數(shù)構(gòu)成的幾種形式
名詞復(fù)數(shù)的構(gòu)成可分為規(guī)則變化和不規(guī)則變化兩種。
i 名詞復(fù)數(shù)的規(guī)則變化
1.一般在名詞詞尾加-s。如:
pear---pears hamburger---hamburgers
desk---desks tree---trees
2.以字母-s, -sh, -ch, -x結(jié)尾的名詞,詞尾加-es。如:
class---classes dish---dishes
watch---watches box---boxes
3.以字母-o結(jié)尾的某些名詞,詞尾加-es。如:
potato---potatoes tomato---tomatoes
negro---negroes hero---heroes
4.以輔音字母加-y結(jié)尾的名詞,將-y變?yōu)?i,再加-es。如:
family---families dictionary---dictionaries
city---cities country---countries
5.以字母-f或-fe結(jié)尾的名詞,將-f或-fe變?yōu)?v,再加-es。如:
half---halves leaf---leaves