外研版七年级英语下册语法总结(共4页).doc

外研版七年级英语下册语法总结一一般现在时1. 构成：主语+动词+其他2. 标志词：always, usually, often, sometimes, never, 等频率副词。3. 否定句：1)当动词是 be, can, may, must, should等在其后加not Eg. I cant play football. 2)当是实义动词时加助动词dont/doesnt后跟动词原形 Eg. I dont like football. She doesnt like football.4. 疑问句：1)当动词是 be, can, may, must, should等将其提前 Eg. Can you swim? 2)当是实义动词时将助动词do/does 放在前面，后跟主语和动词原形。 Eg. Does she like football?