Unit 3 The world online

Grammar and usage

Teaching aims:

1. After learning auxiliary verbs, the students will know about some basic information about auxiliary verbs (words used as auxiliary verbs; function of auxiliary verbs);

2. After learning auxiliary verbs, the students will be able to summarize usages of common and important auxiliary verbs;

3. After learning auxiliary verbs, the students will apply what they've learned about auxiliary verbs.

Teaching procedures:

Step 1 Lead-in (PPT 4)

Q: What are auxiliary verbs?

A: Auxiliary verbs are used in forming tenses, moods and voices of other verbs. The verbs used for this purpose include be, do, have and modals.

Step 2 Introduction (PPT 5)

Point out the auxiliary verbs.

1. He doesn't like English.

2. He is singing.

3. He has got married.

4. He was sent to England.

5. Do you like college life?

6. Did you study English before you came here?

7. Do come to the party tomorrow evening.

8. He did know that.

Step 3 Presentation(PPT 6-24)

Auxiliary verbs:

be (am/is/are/was/were/been)

do (does/did)

have（has/had）

modals（shall/should/will/would/can/ could/may/might/must/need/dare ）

A phrasal auxiliary verb（have (got) to, had better/would sooner/rather (... than)/cannot (help) but/be (not) to/be supposed to/ought to/used to/be about to/be able to）