初中八大时态专项讲解专题一: 一般现在时一,用法: 经常性或习惯性的动作,常与表示频度的时间状语连用。 时间状语: every„, sometimes, at„, on Sunday ...Eg:,客观存在,科学事实。 Eg:The earth moves around the sun. Shanghai lies in the east of China. 3) 表示格言或警句中。 Eg:Pride goes before a fall. 骄者必败。二,句式: 1. be动词的变化(am/is/are)。否定句:主语+ be + not +其它。 Eg:He is not a 。一般疑问句:Be +主语+其它。 Eg:-Are you a student? -Yes. I am. / No, I’m :疑问词+一般疑问句。 Eg:Where is my bike?行为动词的变化(do/does)。 否定句:主语+ don’t( doesn’t ) +动词原形(+其它)。 Eg:I don’t like bread. 当主语为第三人称单数时,要用doesn’t构成否定句。 Eg: He doesn’t often :Do( Does ) +主语+动词原形+其它。 Eg:- Do you often play football?- Yes, I do. / No, I don’t. 当主语为第三人称单数时,要用does构成一般疑问句。 Eg:- Does she go to work by bike? - Yes, she does. / No, she doesn’:疑问词+一般疑问句。 Eg:How does your father go to work?三,第三人称单数的动词变化规则(只有在第三人称为主语的肯定句中,动词才用三单式) (1)多数动词直接加s: runs gets likes collets takes plays climbs„„. (2)结尾是s, x, sh, ch, o,前为辅音字母,结尾加es : watches teaches goes does washes crosses mixes brushes(3)动词末尾y前为辅音:将y改为i加es: study→studies fly→flies carry→carries cry→cries , 但在y前如果为元音则直接加s: buys :一,选择( )? ( ). ( )? __________. ,helike ,hedoesn’t ,he’dlike ,helikes( )’t__________herhomeworkintheafternoon. ( )? ,go ,go ,go ,goes( )’smycamera?I____________it. ’tfind ’tlookat( )? He___________toworkbybike. ;go ;goes ;go ;goes( )? No,_____________. ;Iam ;not ;I’mnot ;Iaren’t( )? ,leave ,leave ,leaves ,left( ) ,
初中英语八大时态总结 来自淘豆网m.daumloan.com转载请标明出处.