Growing pains教案（ Grammar and usage）

period 4    grammar and usage
teaching objectives:
to learn how to use a preposition + which/whom to begin an attributive clause and how to use relative adverbs in attributive clauses
important and difficult points:
how to choose suitable prepositions in an attributive clause.
teaching procedures:
step 1. revision
hw checking: understanding some colloquialisms
step 2. grammar and usage
preposition +which and preposition +whom
 read point1 and make sure students know when to use attributive clause with preposition.
the pen is broken, so i’ll have to buy a new one. i write my homework with it every day
the pen with which i write my homework every day is broken, so i’ll have to buy a new one.
the man is over eighty. i bought the old picture for him.
the man for whom i bought