Read the conversations and underline the stressed auxiliary and modal verbs. Listen and check. Then practise saying the sentences in pairs.
1.
A: Have you started working for the new company?
B: Yes, I have. I started last week.
2.
A: Can people with no experience apply for this job?
B: Yes, they can. We provide on-the-job training.
3.
A: Do you like your job?
B: Yes, I do. I wasn't interested in the job at first, but I'm quite interested in it now.
4.
A: You haven't sent the email to the customer.
B: I have.