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外研版八年级上册语法总汇编 一、本册书复习的语法重点: M1 四种常用时态 M2,M3,M4形容词副词比较级最高级 M5,M6 动词不定式和双宾语 M7,M8 过去进行时 M9 冠词和数字 M10.M11情态动词 M12 祈使句 2、 具体解析 四种常用时态 时态 含义 结构 常用时间状语 一般现在时 表示惯性的行为;或意愿、声明;或实际的情况和客观真理。 am / is / are 或其他动词的一般现在时形式 usually, always, often, every weekend 等 一般过去时 表示过去发生的动作或存在的状态,也可表示过去经常性的动作。 was / were 或其他动词的过去式形式 yesterday, last year, two days ago等 一般将来时 表示将要发生的动作或存在的状态。 be going to / will+动词原形 tomorrow, next month,in the future等 现在进行时 表示现在或现阶段正在进行的动作或发生的事。 am / is / are+动词-ing形式 am / is / are+动词-ing形式 即学即练:用适当时态填空。 1. My mother _ (work) at a hospital and she is a doctor. 2. Jenny _ (go) to see a movie with her parents next Friday. 3. The earth _ (go) around the sun. 4. Look! Tony _ (speak) to Li Tao. 5. —When _ you _ (visit) our grandparents? —Last Tuesday. 6. Judy often _ (read) books in the morning every day. 7. Who _ (sing) over there now? 8. I _ (collect) litter with Linda in the park yesterday. 9. Lucy and I _ (have) a picnic on the beach tomorrow. 10. Mike went camping and _ (make) some new friends. 11. Hurry up! Jack _ (wait) for you to play basketball. 12. Most families _ (have) two children in the future, I guess. 13. He _ (buy) a dictionary tomorrow. 14. The meat soon _ (go) bad in hot weather. 15. I _ (return) from my trip to London yesterday. 形容词副词比较级最高级 比较级用于比较两个主体。组成句子的方式是将形容词或副词变成比较级的形式,之后要用than引出比较的对象。 形容词比较级的构成—规则变化: 单音节 和部分 双音节 词 一般在词尾加-er tall→taller long→longer 以不发音字母e结尾的词,在词尾加-r fine→finer late→later 重读闭音节词且词尾只有一个辅音字母,双写辅音字母再加-er big→bigger thin→thinner 以“辅音字母+y”结尾的双音节词,先把“y”改为“i”再加-er easy→easier friendly→friendlier 中考考点: 1. A+be+形容词比较级+than +B A比B更…… e.g. This tree is taller than that one. 2. 表示两者之间的选择, 可使用 Which is + 比较级, …or…? e.g. Which is longer, the Yangtze River or the Yellow River? 3. ……比较级+and+比较级…… 越来越…… e.g. The weather is getting warmer and warmer in spring. 4. as+形容词原形+as… 和……一样…… e.g. Tom is as tall as Mike. 5.否定形式:not as…as…或 not so… as… 和… 不一样、不及/不如… e.g. Tom is not as tall as Mike. 特别注意的考点: 修饰比较级的副词要用much, a lot, a little, a bit, far