高一英语 Unit 2 Grammar课件 重庆大学版必修3VIP免费

重庆大学版 高一 (3)Unit 2重庆大学版 高一 (3)Unit 2Unit 2 Parents and ChildrenGrammar动名词的功能1. I just feel learning English is too difficult for me.2. Learning English means speaking and using English as much as you can.3. I am very afraid of making mistakes in using it.4. What you can do then is to keep practising it.Look at the sentences, paying attention to the colored words.The colored words are all v-ing.What the function are they? The “-ing” Participle ()Ⅱ一、动名词的构成和性质 动名词由动词原形加词尾 -ing 构成，是一种非谓语动词形式。其构成法与现在分词一样。动名词既有动词性质，又有名词性质。1 ）动名词的动词性质表现在：可有宾语和状语从而构成动名词短语。 e.g. I hope you don’t mind my saying it.2 ）动名词的名词性质表现在：在句中可用作主语、宾语、表语。 e.g. Travelling abroad can be very exciting.[ 观察 ] 观察下列句子中动词 -ing 形式的用法，然后加以总结。1. Playing with fire is very dangerous. 2. Seeing is believing. ★ 动词 -ing 形式作主语常用来表示经常性和习惯性的动作，通常放在 _______ 。句首3. It is very important remembering others’ names. 4. It is no use crying over spilt milk. ★ 动词 -ing 形式作主语时，为了保持句子平衡，可以用 it 作形式主语，而动词 -ing 形式则放在 _______ 作真正的主语。如第 3 、 4 句。句中5. There is no good walking in the rain.★ 在 there is no 结构中，通常用动词 -ing形式作主语。[ 观察 ] 观察下列句子中动词 -ing 形式的用法，然后加以总结。1. They don’t allow fishing in the lake. 2. My mother advised asking a doctor to come and examine her eyes. ★ 有些动词后只能跟动词 -ing 形式作宾语，而不能跟动词不定式作宾语。如allow 和 advise 。有此用法的动词还有：admit, appreciate, avoid, bear, consider, delay, deny, enjoy, escape, finish, forbid, imagine, keep, mind, mention, permit, practice, quit, risk, suggest等。3. Lily remembere...