高一英語必修4 Unit 5 Travelling abroad教案
t: thank you for your information. we don’t have enough time to share all you have found about peru. i hope you can share with each other after class.
step ⅱ language study
deal with exercises about useful words and expressions.
t: now please open your books and turn to page 40. let’s do some practice with the some useful words and expressions in the text.
ask the students have finished them, check the answers.
then deal with the exercises in using words and expressions on pages 80-81.
step ⅲ grammar
t: in unit 4, we revised the restrictive attributive clause. today, let’s revise the non-restrictive attributive clause. look at the screen. here is a form about the restrictive attributive clause and non-restrictive attributive clause. please tell the differences between them.
show the following form on the screen.
restrictive attributive clause non-restrictive attributive clause
1. we will always remember the days that we spent in the village. 1. john, who was sitting on my left, said that this meal was the best he had ever had.
2. anyone who breaks the law will be punished. 2. he was late again, which made his teacher very angry.
s: the extra information is necessary in the restrictive attributive clause. the extra information can be left out in the non-restrictive attributive clause.
s: we don’t use commas with the restrictive attributive clause. we use commas with the non-restrictive attributive clause.
s: we never use “that” in the non-restrictive attributive clause as relative pronoun.
give a summary of the non-restrictive clause.
relative pronouns in non-restrictive clauses
person thing place
subject who / which
object who / whom which where
possessive whose
notes:
1. in the non-restrictive clauses, you cannot use “that” instead of who, whom or which.
2. you cannot leave out the relative pronoun, even when it is the object of the verb in the relative clause:
he gave me the letter, which was in a blue envelope.
he gave me the letter, which i read immediately.
3. the preposition in these clauses can go at the end of the clause, e.g. this is stratford-on-avon, which you have all heard about.
this pattern is often used in spoken english, but in written or formal english you can also put the preposition before the pronoun. e.g. stratford-on-avon, about which many people have written is shakespeare’s birthplace.
4. non-restrictive clauses can be introduced by expressions like all of, many of + relative pronoun: