八年级上册时态讲解与训练.docVIP

一，一般现在时 1.概念：经常、反复发生的动作或行为及现在的某种状况。 2.时间状语：always, usually, often, sometimes, every （week day, year, month）, once on Sundays, 3.基本结构：动词+原形 （如果主语为第三人称单数，动词上要改为第三人称单数形式） 4.否定形式：主语/三单+do/does not+V原+其他 5.一般疑问句：用助动词do提问，如果主语为第三人称单数，则用does，同时，还原行为动词。 6. 用法: 1） ,表示习惯性的动作 2）客观真理，客观存在，科学道理。 3）格言警句 4）现在的状态，能力，性格，个性。 ．变化规律 当动词是第三人称单数时，动词应该像名词的单数变动词那样加s，如下： 一）一般在词后加s。如：comes, spells, waits, talks, sees, dances, trains 二）在x, sh, ch, s, tch后加es。如：watches, washes, wishes, finishes 三）1）以辅音字母加y结尾的变y为i再加es。如：study-studies, hurry-hurries, try-tries 2）以元音字母加y结尾的直接加s。如：plays, says, stays, enjoys, buys 四）以o结尾加es。如：does, goes 五）特殊的有：are-is, have-has 练习： 1. My English teacher ______about thirty years old, but he_____younger than he really is. A. is, look B .is, looks C. am, look 2. Jim ___very hard, but he____still a little weak in Chinese. A. studies, is B. study, is C. doesn’t study, is 3. We all know that the sun_____round the earth. A. goes B. don’t go C. doesn’t go 4. There ____twelve months in a year and January____first. A. is, comes B. are, come C. are, comes 5. Who _____the kite best of all, Jim. Lucy or Lily? A .flies B. fly C .are flying 6. _____the Great Wall one of the places of great interests in China? A.Was B. Do C. Is 7. ____you usually _____to school with classmates? A. Do, comes B. does, come C. Do, come 8. ____she___home at six o’clock every morning? A. Do, comes B. Does. Come C. Do, come 9. My mother ____like watching TV, so she____to bed very early every evening. A, doesn’t , go B. don’t, go C. doesn’t, goes 10.Mr Green usually______newspapers after supper every day. A. read B. reading C. Reads 二，一般过去时 1.概念：过去某个时间里发生的动作或状态；过去习惯性、经常性的动作、行为。 2.时间状语：ago, yesterday, the day before yesterday, last week, last(year, night, month…), in 1989, just now, at the age of 5, one day, long long ago, once upon a time, etc. 3.基本结构：主语+动词或be的过去时+名词 4.否定形式：主语+was/were +not+其他;在行为动词前加didnt，同时还原行为动词。 5.一般疑问句：was或we