英语语法

• 谓语只能是动词，动词只能做谓语
• 动词变成谓语非动词
• 动词末尾+ing:表主动
• 动词末尾+ed:表被动
• to+动词:to do表目的

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• help s.b out
• help out s.b
• s.b 表示人或单位
• 帮助某人(单位)摆脱困境

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• it is time to do sth.到了做某事的时候
• it is time for sth.到了做某事的时候
• it is time for s.b to do sth到了某人做某事的时候

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• as long as 只要。引导条件状语从句
• else 别的，另外的。修饰疑问代词放在其后

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• I'm very thirsty.May i have two cups of tea,please?
• 不可数名词的量表示法，借助另一个名词。
• 基数词+可数名词复数+of+不可数名词

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• Some flowers have been watered by Tom already.
• 表被动:be+动词过去分词
• flowers复数用have，单数用has

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• The third apple is the biggest of all.
• 三个以上比较:the+比较级最高级

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• had better s.b sth最好做某事
• had better not s.b sth最好不做某事

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• 90分钟表示法
• one hour and half或one and a half hours
  有a，有s

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• 表花费，cost和speed
• cost物做主语
• speed人做主语

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——Help!There is a snake near the house.
——Dou't be afraid.It will go away later.

• afraid是形容词，be afraid变成动词短语
• 祈使句的否定形式:Don't+动词原形

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• 独立主格:一句话中只能有一个动词的存在，并且充当谓语。多于的动词全变成非谓语动词。

• I love you, you love me.

• 留最重要的一个动词做谓语，其它做非谓语动词，变成一句话:I loveing you, you love me.

• 前一个动词变成非谓语动词

• 冬天来了，春天就不远了。

• “不远了“更重要，修改“来了”

• “冬天来“是自己来

• winter approaching, spring will be around the corner

• i am a teacher, i enjoy Singing songs.

• enjoy理重要，将am变成非谓语动词及being

• i being a teacher, i enjoy Singing songs.

• 省略一个I变成：being a teacher, i enjoy Singing songs.