Grammar and usage定语从句（介词+ which/ whom）P28,29Learning goals:1. To learn the structure of the attributive clause (prepositions + which/ whom) and understand how to use the proper prepositions and relative pronouns;2. To put what we’ve learnt into practice.Learning procedures:Step 1: Lead- in (导)1. The money with____ you were to buy dog food is gone.2. We thought you were a person from_____ we could expect good decisions. 3. Literature is a subject ____ I know little about.4. Dad is a person____ I can easily talk to.5.The Maths teacher is the person _____ I got an‘A’from.Step 2: Thinking（思）思考一：认真学习下列例句，总结出“介词+ 关系代词”的基本用法。1. We thought you were a person from whom we could expect good decisions.（√）We thought you were a person from who/ that we could expect good decisions.（×）2. The money with which you were to buy dog food is gone. （√）The money with that you were to buy dog food is gone. （×）总结：1. 在介词+关系代词引导的定语从句中，在介词提前的情况下，先行词指物时，介词后只能用__________; 先行词指人时，介词后只能用___________。2. 在介词提前的情况下，关系代词可以省略吗？________________思考二：认真比较下列各组例句，总结出 “介词后置” 时的用法。1. Dad is a person to whom I can easily talk. （√）Dad is a person (whom/ that/ who ) I can easily talk to. （√）2. Is this the play about which you were talking just now? （√） Is this the play (which/ that) you were talking about just now? （√）3. This is the watch (which / that) I am looking for. （ √ ） This is the watch for which I am looking. （×）总结：1. 在介词+关系代词引导的定语从句中，如果介词后置，即介词位于定语从句末尾时，先行词指物时，关系代词可以用_______________; 先行词指人时，关系代词可以用_______________。2. 在介词后置的情况下，...
