1.表示哪國人
中日不變，英法變檬贰，其余后面+s
土豆的復數(shù) potatoes ?有生命+es
照片的復數(shù) photos 無生命 +s
黑人 negroes
土豆,番茄,英雄,黑人是所有以“O”結(jié)尾的英語單詞中唯一四個復數(shù)加"es"的,可以這樣方便記憶Negroes and heroes like tomatoes and potatoes 黑人和英雄喜歡番茄和土豆
2. 孩童時代 childhood 社區(qū) neighborhood
3.now=at the moment
Look弊知、Listen、Now都要用正在進行時
4.tired勞累 tiring 令人勞累的
人作主語 用tired I'm tired.
物作主語 用 tiring The exam is tiring.
5.There be 句型 there is / there are
將來式 will+動詞原形
There will have（X）
There will be（?）
will= be going to
There will be two tall buildings in the future.
There are going to be two tall buildings in the future.
就近原則
There be/not only…but also/either …or（要么…要么）
Not only my mum but also I like watching TV.
Not only I but also my mum likes watching TV.
6.sharpen（使…鋒利）-sharpener（卷筆刀）
7.full 發(fā)音短u ?fool 發(fā)音長u
被…充滿 be full of
8.Large 反義詞 little / big 反義詞 small
s：small/m:midium/L: large
9. steak 牛排 beef 牛肉 pork 豬肉 chicken雞肉
10. ?L21語法 one，為了避免重復合瓢，用one代替
I have many roses. I like red rose,white rose and yellow one. one代替rose.
