专题二 时态与语态.doc

第二专题 时态与语态 第一单元 时态 时态解题秘籍： 现在时 do does am/is/are 过去时 did was/were 一般现在时 构成： 如果主语为第三人称单数，则一般在动词原形后加-s或-es，其变化规则如下表所示： 情况 规则 例词 一般情况 加-s eats, rises 以s, x, sh, ch结尾的动词 加-es discuss—discusses teach—teaches 以辅音字母加y结尾的动词 把y变i加es fly—flies carry—carries 用法： 1) 表示现在的经常性，习惯性动作或状态 Eg: We have meals three times a day. He is always ready to help others. 表示客观真理、科学事实及自然想象。 Eg: The sun rises in the east. 一般过去时 构成（规则） 情况 规则 例词 一般情况 加-ed pack—packed 以辅音字母加y结尾的动词 变y为ied carry—carried 以一个辅音字母结尾的重读闭音节动词 双写辅音字母加ed plan—planned 以不发音的e结尾的动词 直接加-ed like—liked provide—provided 不规则的见附页表格。 用法： 表示过去的经常性，习惯性动作或状态 Eg: When I was a child, I often played football in the street. used to+动词原形, 表示过去的动作而现在已经不发生了 Eg: we used to spend our vacation in the mountains. 即时练习1： 将下列动词变单三 look_________ help________ read__________ express_________ put__________ like__________ wash________ watch_________ do_____________ meet_________ study________ work________ buy___________ apply__________ see__________ stop_________ find_________ use___________ begin_________ agree________ have________ go__________ 写出下列动词的过去式 am/is/are __________ go__________ have__________ eat___________ do__________ see___________ Play__________ love________ clean__________ arrive_________ plan________ pack__________ help__________ look________ work__________ stop__________ try_________ live___________ 用适当形式填空 1. Every year, thousands of farmers _______ (go) to big cities to find jobs. 2. Tom _________(go) to the office at eight every day. 3. I _______(go) to the office at eight yesterday. 4. I?often?______(do)?exercise?and?I?_____(be)?very?healthy. 5. Judy is going to marry the sailor she ______ (meet) in Rome last year. 6. The students _________ ( clean ) their classroom yesterday. 7.She usually ___________(get up) at 6:30. 8.I _________(play) football after s