some……others:一些.另一些.
Some students are playing football,and others are playing baseball.
一些學生正在踢足球,其他學生正在打棒球.
Some workers have a good rest,and others go on working.
一些工人休息,其他工人繼續(xù)工作.
prefer……to:寧愿.也不愿.
I prefer English to Chinese.
比起語文,我更喜歡英語.
I prefer doing the housework to doing the homework.（學習和鍛煉身體一樣重要）
我寧愿做家務勞動,也不愿做作業(yè).
see/hear sb do sth:看到或聽到某人做某事（全過程）
He saw a boy play basketball on the playground.
他看到一個男孩在操場上打籃球.
He hear a girl sing a song.
他聽一個女孩唱完了一首歌.
see/hear sb doing sth:看到或聽到某人做某事（正在進行）
He saw a man running on the road.
他看到一個男人正在路上奔跑.
He hear a girl singing in the room.
他聽到一個女孩正在房間里唱歌.
so+形容詞+that從句:如此.所以.
He is so young that he can't go to school.
他如此年幼,所以他不能上學.
She is so clever that she gets good grades.
她如此聰明,所以她取得了好成績.