Ⅰ.常考句型
【句型1】 Since+S+过去时,S+现在完成时。“自从……”
仿写:自从他上高中,他一直很用功。
Since he went to senior high school,he has worked very hard.
【句型2】 It pays to+V...“……是值得的。”
仿写:帮助别人是值得的。
It pays to help others.
【句型3】 be based on“以……为基础”
仿写:社会的进步是以和谐为基础的。
The progress of the society is based on harmony.