M7U1 Grammar 导学案(Prepositions and prepositional phrases)Learning aims(学习目标): To review the usage of some common prepositions to express time, place, and -movementTo learn that prepositions can be combined with verbs, nouns, and adjectives to form prepositional phrasesImportant points(学习重点) :To learn how to use some common prepositions and prepositional phrases in different situationsDifficult points(学习难点):To apply what they have learnt to practice by fulfilling some written tasksLearning guides( 方法导引):compare, deduce and practiceLearning procedure(学习过程):Step 1 Lead-in The household appliance section is on the fifth floor.Electrical appliances are useful for keeping our daily lives easyDon’t look out of the window in class.1) What’s the part of speed of the words in bold?2) Where are they put, before a noun or after a noun…?3) What are they used to express?Step 2 Prepositions of TimePrepositions like at, in, on, for, by and since can be used to express time. Others of time include ________________________________________, etc.1、表示时间的 at, in, on:at 表示片刻的时间,如:at 8 o’clock ,常用词组有:at noon, at night, at midnight, at the end of, at that time, at the beginning of, at the age of, at Christmas, at New Year 等。in 表示一段的时间,如:in the morning, in the afternoon, in the evening, in October, in 199 8, in summer, in the past, in the future 等。on 总是跟日子有关,on Monday, on Christmas morning, on the following day, on May Day, on a warm morning 等。2、表示时间的 since 和 from:since 表示从过去到现在的一段时间的过程,常与现在完成时连用。from 表示从时间的某一点开始,不涉及与现在的关系。一般多与现在时、过去时、将来时连用。如:I hope to do morning exercises from today./ We have not seen ...