M7U3 The world onlineGrammar and usage 学案连系动词第一部分：前提测评—用联系动词的适当形式填空： 1. Wood ____________ hard. 2. The exercise ____________ easy, but in fact it's very hard. 3. Don't you think the music of the song _________ beautiful? 4. Most leaves begin to ____________ yellow in autumn. 5. The fish ________good; the children like it very much. 6. The girl's face __________ red when she heard his words. 7. It’s true that parents __________ old when children grow up.第二部分：重点讲解连系动词三大类：1. “存在”类: 表示存在或具有某种特征或状态。这类连系动词强调“存在”。常见的有: be(是)，look(看起来)，feel(摸上去)，seem(似乎是)，appear(似乎、显得)，prove(证明是)，smell(闻起来)，taste(尝起来) ，sound(听起来)等。例如: The story sounds true. Those oranges taste good. 2. “持续”类: 表示某种情况或状态的持续。这类连系动词强调“持续”。常见的有 : remain(依然)，keep(保持)，stay(保持)，continue(继续、仍旧)，stand(处于某状况或情形)等。例如: —Why don't you put the meat in the fridge? —It will stay fresh for several days. It's already ten in the morning. The store remains closed. What's the matter? 3. “变化”类: 表示由一种情况或状态变化成另一种情况或状态。这类连系动词强调"变化"后的情况或状态.常见的有: become(变成)， turn(变成)， grow(变得)， go(变得)等。例如: Put the fish in the fridge, or it will go bad in hot weather. 连系动词使用要点：1. 有些连系动词通常不用于被动语态和进行时态中。如:feel，taste 等词。例如: -Do you like the material? -Yes, it feels very soft. 2. 一般情况下，连系动词主要跟形容词或分词作表语。例如: Be careful when you cross this very busy street. If not， you may get run over by a car. 3. 能跟名词作表语的连系动词常见的有:be, become, appear, seem, prove, remain 和 turn 等。注意:turn 后跟(表示主语身份的)名词作表语时，不加冠词。例如: Twenty years later, he...
