1、专题13 问鼎中考 一般现在时在手 【口袋书】2022年中考英语考前回归教材必备知识(牛津译林版)一、构成:1)肯定形式:S+动词原形(v.)或 单三形式 (v.s/v.es)+O.2)否定形式:S+助动词do not/ does not+动词原形+O.3)疑问形式:助动词Do/Does +S.+动词原形+O.例如:I often help my parents do housework at home.Tom often helps his parents do housework at home.Sometimes Lucy washes her clothes herself.二、用法:
2、1)表示经常性活习惯性的动作或存在的状态。I often go to school by bike.2) 表示客观事实或普遍真理。The earth goes around the sun.3)一般现在时表将来a. 用在状语从句中(如 时间、条件状语从句等),用一般现在时表示将来。If it rains tomorrow, we wont go to the park. (if引导的条件状语从句,主将从现)When I grow up, I will go to America.b. 下列动词:come, go ,arrive, leave, start, begin, return的一般现在
3、时表将来。主要用来表示时间上已经安排好的事情,如:The train leaves at six tomorrow morning.4) 在某些以here, there 开头的句子(倒装句)中用一般现在时表示正在发生的动作。Here comes the bus. = The bus is coming.三、与一般现在时连用的时间状语1) 表示频度的副词 always, often, usually, sometimes等。2)表频率的词组,如: once a year, twice a month, three times a week等。3)表一般现在的时间状语如:on Sundays, on Monday afternoon, every day, every year 等。四、形式构成例词第三人称单数,直接加-sruns, likes以ch, sh, s, o ,x结尾的动词,在词尾加-es teach-teaches, wash-washes, go-goes, pass-passes, fix-fixes以辅音字母加y结尾的动词,变y为i加-esstudy-studies, try-tries以元音字母加y结尾的动词,直接加-sstay-stays, play-plays