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三、重点语法： 5. 原因状语从句.引导词：because since so 等，但是因为，所以不能同时出现. For example：He is ill, so he isn’t able to come. She is lonely because she has no friends to talk with. Since she is very strict with herself ,she is unhappy. 6. always 常用于一般现在时.表示频繁发生的动作.但与现在进行时态连用表是厌恶，责备，赞扬的语气. For example: She is always talking about money. 7. can’t 表示一种否定的推测.You can’t have SARS. must 表示一种肯定的推测.It must be sunny day tomorrow 9. 英语语法as...as、so…as、so…that和too…to的用法区别 ①so…as只用于否定句，as…as不但可用于肯定句，还可用于否定句 ②as…as中的第一个as是副词,后接形容词或副词的原形;第二个as是连词,引导比较状语从句. 例如:Jack is as tall as you. 杰克和你一样高. Jim is not so/as brave as you. 吉姆不如你聪明. ③so…that 如此…以至于(只能引导结果状语从句,的后面多接形容词、副词或分词,后接句子. 例如: The house was so crowded that I could hardly turned around. 屋里很挤,我几乎都无法转身了. ④too…to 太…以至于不能…(too为副词,后接形容词或者副词,to为不定式的标志,这个不定式短语本身带有否定含义.) 例如: The box is too heavy for her to carry it. 对于她来说,这个箱子太重了,以至于她搬不动. (责任编辑：admin) |