一般现在时教学课件2021-2022学年牛津译林版英语七年级上册

Unit 1 This is me Grammar --Simple present tense 1 Simple present tense 1 2 3 含义 动词的变化构形式 句子结构 4 标志词 We use simple present tense to talk about facts and states. 5 使用情况 2 二：一般现在时的形式 是以动词的原形表示的，当主语为第三人称单数时，做谓语的动词原形后要加上-s 或 –es, 其构成方式列表如下： 情况   构成方法 读音 例词   一般情况   加- s 清辅音后读[s] 浊辅音和元音后读[z] likes gets finds 以s, sh ,ch ,x,o等结尾的词 加-es 读[iz] 或[z] goes, teaches, watches 以辅音字母+y结尾的词 变y 为i再 加-es 读[z] study→ studies 给出下列动词的第三人称单数 talk______forget________hope______ stop______perform_________play______ say______buy______ worry________ fly______study_______like_______ make______take______love_______ recite_______become________come______ drive_______shine_______leave_______ wake_______ride_______write_______ talks forgets hopes stops performs plays says buys worries flies studies likes makes takes loves recites becomes comes drives shines leaves wakes rides writes 三：一般现在时的标志词 often,usually,always,sometimes, never,seldom, every week/day/year/month..., once a week,on Sundays 四：句子结构 1 肯定句 Positive sentences 2 否定句 Negative sentences 3 一般疑问句 Yes-no questions 7 I am happy most of the time. I am not an early bird. I do some exercise on Sundays. I do my homework everyday. Positive sentences (肯定句) Negative sentences (否定句) to do (行为动词) to be (be动词) He doesn't speak English. TO be 肯定句：主语+be+表语(n., adj.等) e.g. He is a worker. You are thirteen. They are in the classroom. 否定句：主语+be+ not+表语 e.g. He is not a worker. You aren’t thirteen. They aren’t in the classroom. 一般疑问句：Be+主语+表语? e.g. Is he a worker? Yes, he is./No, he isn’t. Are you thirteen? Are they in the classroom? Yes, they are. No, they aren’t. Grammar: Verb “be” am / is / are I you he/she/it we you they am are is are are are is not = isn’t are not = aren’t Be的用法口诀   I用am； you 用are, is连着he， she，