pet 写作 （writing part ）备考练习以及知识储备（部分内容含有mp3资源，扫码获取） 1、时态 现在完成时：for+时间点；since+时间段 Havehas been (gone) to The shopping mall opened last month. The shopping mall ......................... a month. Sam has learned English for 5 years. Sam has learned English .................. 5 years ago. This is the first time I‘ve visited China. I’ve ......................... China before. 2、语态(主被动变化) 过去进行(was/were doing) …………… was/were + being + done 现在进行(am/is/are doing) …………… am/is/are + being +done 过去完成(had done) …………… had + been + done 现在完成(have/has done) …………… have/has + been +done 一般将来(will/shall do) …………… will/shall + be+ done 一般过去(did) ……………was/were + done 一般现在（ do/does） …………… is/am/are+ done 1 I was given a book by Mr. Smith yesterday. Mr. Smith ................... a book yesterday. 2 Smoking is not allowed in the park. You ............................. to smoke in the park. 3 My father often reads newspaper in the evening. Newspaper .................... by my father in the eveing. 3、形容词与副词（比较级） 1.比较级：than的用法 2.比较级：as ... as的用法（肯定和否定表示相同意思） 3.too...to do、enough以及so… that 4、ed形容词和ing 形容词的区分 5、惯用法 1 Going by bus is quicker than cycling. Cycling .............................. going by bus. 2 My sister is too youn
