译林版高中英语选必一Unit4 Grammar and usage 教案

《英语》（选择性必修·第一册）

Unit 4 Exploring poetry

Grammar and usage

江苏省通州高级中学林红梅

I. Learning objectives

By the end of the lesson, students will be able to:

1. identify and categorize the use of to-infinities, verb-ing, and verb-ed forms;

2. summarize general rules of to-infinitives, verb-ing, and verb-ed forms;

3. use the right forms of to-infinitives, verb-ing, and verb-ed to finish tasks such as rewriting sentences, completing an article and writing on the importance of reading poems.

II. Key competence focus

1. Learn how to use the right forms of to-infinitives, verb-ing, and verb-ed in different situations.

2. Write on the importance of reading poems using the right forms of to-infinitives, verb-ing, and verb-ed.

III. Predicted area of difficulty

1. Use the right forms of to-infinitives, verb-ing, and verb-ed in different situations.

2. Use the right forms of to-infinitives, verb-ing, and verb-ed to w rite on the importance of reading poems.

IV. Teaching procedures

Step 1 Exploring and working out the rules

1. Explore general rules of to-infinitives, verb-ing and verb-ed forms and work out Rules 1 and

2.

(1) T presents to Ss some sentences with to-infinitives, verb-ing and verb-ed forms in the previous units.

·I had enough food and water to last a whole week.

·The family chatting online look so happy.

·Treated with the new medicine, the patient soon recovered.

·What did the person cutting your hair think about the app?

·The results indicated that something produced by the mould had killed the bacteria.

(2) T asks Ss to go through these sentences and work out Rules 1 and 2.

·The to-infinitive often refers to an action that will happen in the future; the verb-ing form, a continuing action; and the verb-ed form, a past action.

·Generally speaking, the verb-ing form expresses a(n) (1)active meaning, while the verb-ed form expresses a(n) (2)passive meaning.

【设计意图：学生在之前的课文中，已经接触了大量的含有to-infinitives，verb-ing和verb-ed 形式的句子，对to-infinitives，verb-ing和verb-ed形式在句子中的作用都有了了解。在学生相对熟悉的语境中再次呈现这些句子，激发了学生已有的知识储备，然后再归纳总结，为接下来在句中和语篇中的运用打下基础。】

2.Explore the rules concerning sentence elements of to-infinitives, verb-ing and verb-ed forms and work out Rule

3.

(1) T presents to Ss the sentences with to-infinitives, verb-ing and verb-ed forms in the previous units and asks them to figure out their functions.

To-infinitives in sentences from previous units:

·To cook Chinese food is not easy.

·My first thought at mealtimes was to eat at a restaurant.

·Alice Brown, head teacher at Falmont Primary School, was teaching when the floor began to shake.

·We can always expect him to help us.

·I was staying in Atlanta, and that was one of the cities to be hit.

·That morning, I turned on the TV for some local news, only to hear that a hurricane was on its way.

Verb-ing forms in sentences from previous units:

·Sliding into the habit was easy, but it was difficult to quit the habit.

·It was surprising then to see so many people viewing important and precious artworks through their smartphones.

·I hear someone playing the piano in the next room.

·The people talking there are my friends.

·Walking along the street, I saw an old friend.

·He played so well that everyone enjoyed listening to his music.

Verb-ed forms in sentences from previous units:

·I was amazed to see all the paintings.

·The road is covered with fallen leaves.

·Seen from the top of the mountain the river looks like a dragon.

·I have never heard this song sung in English.

T: I’d like to present to you the sentences with to-infinitives, verb-ing and verb-ed forms in the previous units. Go through these sentences and figure out their functions in these sentences.

(2) T asks Ss to work out Rule 3.

·The to-infinitive can be used as the (3) a, b, c, d, e, f of a sentence.

·The verb-ing form can be used as the (4) a, b, c, d, e, f of a sentence.

·The verb-ed form can be used as the (5) b, d, e, f of a sentence.

a. subject

b. predicative

c. object

d. complement

e. attributive

f. adverbial