定义：介词是一种虚词，在句中不能单独作句子成分。介词后面一般有名词、代词或相当于名词的其他词类作它的宾语。分类：1 ．由一个单词构成的介词，叫作简单介词。2 ．由两个或两个以上单词构成的介词，叫作复杂介词。3 ．由两个介词构成的介词，叫作双重介词。指出介词短语在句中充当的成分 1. He is a writer of promise. 他是一个有前途的作家。2. The book is out of print. 此书已绝版。1介词短语在句中充当什么成分？表 语 定语3. The umbrella was eventually found behind the door.雨伞最终在门后面找到。4. Keeping everything in good order takes energy. 把一切弄得井然有序很花精力。 主 补 1介词短语在句中充当什么成分？宾补 5. Thoughts are expressed by means of words. 思想通过语言来表达。6. To my delight, he has recovered. 使我高兴的是，他已经康复。独立成分 ( 插入语 )1介词短语在句中充当什么成分？状语1 介词短语 / 词组在句中作定语，表语，状语， ( 主 / 宾 ) 补语，或独立成分。在句中空格上填上适当的介词，并总结其用法规律1. What will happen _____ the 22nd century?2. The story of The Long March took place_____ the 1930s.3. A terrible disturbance broke out _____ 1989.4. Generally, fishing is forbidden ______ Spring.2常见表示时间的介词有哪些？in in in in 5. Mother's Day falls ______the second Sunday of May.6. _____ those old days, farmers led a miserable life.7. I received a card posted from the UK _____Christmas.8. Reading English aloud _______ the morning helps improve our English study.9. The theft happened_____ noon, when all the workers were sleeping.Inon atinat2常见表示时间的介词有哪些？10. Did you witness the traffic accident _______ a rainy morning? 11. Traffic jams are quite usual ______ Friday afternoon.12. The City Library opened _____eight______ the morning_______ this week.13. Days _____ Monday____ Friday are called weekdays.on on at infrom 不填to2常见表示时间的介词有哪些？14. It is said that the railwa...
