第12讲 词汇专题复习讲解6-2021年新初二英语暑假讲义

第十二讲 词汇专题复习讲解6 一、知识点详解 Grammar 1.祈使句构成：Please在句首不加逗号，在句末时前面加逗号。 (1) Do型(以实义动词开头) (肯)Please open the window. (否) Don’t paint the cat, please. (2) Be型(以be动词开头) (肯) Be polite! (否) Don’t be late. (3) Let型 (肯) Let sb do sth (否) Don’t let sb do sth. / Let sb not do sth. 与if条件句转换：If you try your best, you won’t lose the match. = __________ your best, _______ you will win the match. 2. 主语+ should (not) do sth ...应该（不要）做某事 主语+ had better (not) do sth ...最好（不要）做某事 Eg. (1) You'd better not be impatient. = You ____________________________. (2) 你最好不要没有上DIY课就开始做DIY的工作。 You had better ______________________ DIY jobs without ________________ DIY. 3.放弃做某事________________________ 坚持做某事________________________ 4.cut out剪出 cut- cut cut-cutting 砍伐______________________ Eg. 剪出一副彩色气球图 _____________ a picture of ________________. 动副结构：cut it out put it up put it in give it up tidy it up (收拾好) cut...into...把...切成... Eg. 把一些较大块水果切成小块cut some of _____________