Step1: leading-in

Greet the class as usual.

Play a guessing game: Ask a student to do an action, then ask and answer questions like this:

T: What is he/she doing?

S: He/she is reading/watching TV...

Call some students to do other actions, then have some pairs ask and answer. Explain the structure of the present continuous tense.

Step 2 Presentation

Show a picture of playing basketball and ask:

T: What is the boy doing?

S: He is playing basketball.

Then say: if the action happened at this time yesterday. How can we talk about it?

Help students say: what was the boy doing at this time yesterday?

T: What was the boy doing at this time yesterday?

S: He was playing basketball.

Explain the usage and the structure of the past progressive tense:

Was/were + v.-ing

Show the pictures of doing the homework, reading, going to work, waiting for the bus and shopping.

Step 3 Presentation

Show a picture about rainstorm and talk