第三人称单数形式.pptVIP

* 时态 英语中，动作发生的时间不同，动词所使用的形式也不同。这些不同的动词形式，就叫做动词的时态. have played 现在已经完成 is/ am /are playing 现在正在进行 will play 将要发生 played 过去 play / plays 现在经常性，习惯性 表示现在经常发生的动作、存在的状态或习惯性的动作，动词用一般现在时。 一般现在时的构成 1. be动词(表状态)：am, is are (1) I am a teacher. (2) She is my sister. (3) Are you a student? 一般现在时的构成 1. be动词(表状态)：am, is are (1) I am a teacher. (2) She is my sister. (3) Are you a student? 2. 实意动词用原形，但第三人称单数做主语时，动词词尾要加s或者es(动词的第三人称单数形式) （1）I play ping-pong every day. (2) She plays ping-pong every day. (3) We always ask the teacher. (4) Gina always asks the teacher. (5) They like soccer. (6) Frank likes soccer. 动词原形变第三人称单数形式的规则 (1)一般在动词词尾加s, sit –sits play-plays like-likes love- loves sound-sounds (2) 以s,x,ch,sh结尾的动词在词尾加es, 如： watch-watches (3) 以o结尾的动词加es, 如：do-does, go-goes (4) 以辅音字母加y结尾的动词，变y为i, 再加es,如：fly- flies cry –cries. 以元音字母加y结尾的动词直接加s. 如：play-plays have的第三人称单数形式是has 写出下列动词的第三人称单数形式 spell_______ watch _________ guess_________ study_________ finish___________ go ________ do___________ have_______ are _______ spells watches guesses studies finishes goes does has is 从括号中选择一个正确的动词填空 1. We ______often (A.play B.plays) in the playground. 2. He ____(A. get B gets) up at six. 3. Danny ____ (A. have B. has) an English book. 4. Mike _____(A. goes B. go C. gos) to the school with his sister. 5. She _____(A. watch B. watches) soccer games on TV. 6. That _____(A. sounds B. sound) fun. 7.My brother _____(A. do B.does) sports every day. 将下列句子变为否定句。 We play in the playground. We_____ ______in the playground. 2. She watches soccer games on TV. She _____ ________soccer games on TV. 3. Danny has an English book. Danny ______ ______ an English book. 4. Mike goes to the school with his sister. Mike ______ _____to the school with his sister. don’t play doesn’t watch doesn’t have doesn’t go 将下列句子变为否定句。 5.Gina likes strawberries. Gina______ ______strawberries. 6. I know that girl.