八年級英語上冊語法復(fù)習(xí)資料 分單元1
man teacher---men teachers
14) 雙寫最后一個字母的-ing分詞
初中階段常見的有以下這些:
1.let→letting 讓
hit→hitting 打、撞
cut→cutting 切、割
get→getting 取、得到
sit→sitting 坐
forget→forgetting 忘記
put→putting 放
set→setting 設(shè)置
babysit→babysitting
臨時受雇照顧嬰兒
2.shop→shopping 購物
trip→tripping 絆
stop→stopping 停止
drop→dropping 放棄
3.travel→travel(l)ing 旅游
swim→swimming 游泳
run→running 跑步
dig→digging 挖、掘
begin→beginning 開始
prefer→preferring 寧愿
plan→planning 計劃
15) 肯定句變否定句及疑問句要變化的一些詞
1.some變?yōu)閍ny。如:
there are some birds in the tree.→there aren't any birds in the tree.
但是,若在表示請邀請、請求的句子中,some可以不變。如:
would you like some orange juice?
與此相關(guān)的一些不定代詞如something, somebody等也要進行相應(yīng)變化。
2.and變?yōu)閛r。如:
i have a knife and a ruler.→i don't have a knife or a ruler.
3.a lot of (=lots of)變?yōu)閙any或much。如:
they have a lot of friends.(可數(shù)名詞)→they don't have many friends.
there is lots of orange in the bottle.(不可數(shù)名詞)
→there isn't much orange in the bottle.
4.already變?yōu)閥et。如:
i have been there already.→i haven't been there yet.
16) in與after
in 與 after 都可以表示時間,但二者有所區(qū)別。
1.in 經(jīng)常用于將來時的句子中,以現(xiàn)在為起點,表示將來一段時間。如:
he will leave for beijing in a week. 一周后他會動身去北京。
2.after 經(jīng)常用于過去時的句子中,以過去為起點,表示過去一段時間。如:
he left for beijing after a week. 一周后他動身去了北京。
不過,如果after后跟的是具體的時刻,它也可用于將來時。如:
we will finish the work after ten o'clock.十點后我們會完成工作的。
3.注意區(qū)分以下的in的用法。
i'll visit him in a week. 一周后我會去拜訪他。
i'll visit him twice in a week. 一周內(nèi)我會去拜訪他兩次。
17) 不定冠詞a與an的使用
1.a 用在以輔音音素開頭的單詞前。如:
there is a "b" in the word "book". 單詞book中有個字母b。
類似的字母還有:c, d, g, j, k, p, q, t, u, v, w, y, z。
she has a small knife. 她有一把小刀。
2.an 用于以元音音素開頭的單詞前。如:
there is an "i" in the word "onion". 單詞onion中有個字母i。