英语16种时态（含练习及答案）.docxVIP

英语16种时态 英语共有十六种时态，其表现形式如下(以study为例)： 　一般时进行时完成时完成进行时现在studystudiesam studyingis studyingare studyinghave studiedhas studiedhave been studyinghas been studying过去studiedwas studyingwere studyinghad studiedhad been studying将来shall studywill studyshall be studyingwill be studyingshall have studiedwill have studiedshall have been studyingwill have been studying过去将来should studywould studyshould be studyingwould be studyingshould have studiedwould have studiedshould have been studyingwould have been studying 一、一般现在时 1、定义：表示经常发生或习惯性的动作、状态。句中通常有usually，often，every day，sometimes，always，at weekends，on Sundays等表示经常性时间的短语。 2、构成： 1）当谓语是be动词时，一般现在时的构成：主语＋be动词＋其他 如：I am a student. He is Jim’s father. They are from Japan. 2）当谓语是行为动词时，一般现在时的构成： ①主语（非第三人称单数）＋动词原形＋其他 如：I often watch TV at the weekends. Mr. Green and Mrs. Green like collecting stamps. ②主语（第三人称单数）＋动词的第三人称单数形式＋其他 如：Jim usually visits his grandparents on Sundays. She sometimes goes to the park with her mother. 3、动词三单形式的变化规则： ① 一般情况下，直接加s 如：read-reads，swim-swims ② 以s，x，sh，ch，o结尾，加es 如：wash-washes，watch-watches，do-does ③ 以辅音字母＋y结尾，变y为i，再加es 如：study-studies，fly-flies ④ 不规则变化 如：have-has 4、一般现在时的句型转换： 肯定句否定句一般疑问句及回答They watch TV every day.They don’t watch TV every day.—Do they watch TV every day? —Yes, they do. / No, they don’t.She watches TV every day.She doesn’t watch TV every day.— Does she watch TV every day? —Yes, she does. / No, she doesn’t.注意：表示客观事实和普遍真理时，句子只能用一般现在时。如： The teacher said the earth goes around the sun. 练习： 一、用单词的正确形式填空： 1. Mike _________ (do) his homework every day. 2. There __________(be) some water in the glass. 3. I like singing. I often _________(listen) to the music in the evening. 4. My grandma_________(watch) TV every day. 二、判断句子的正误, 并改正。 1. Betty do morning exercises every day. 2. I plays on the beach. 3. The trees falls their leaves. 4. I like to wearing shirts and running. 5. They usually have supper at sev