Put the verbs in brackets into the Present Simple, Present Continuous or Present Perfect Continuous.

1 - Who are you waiting for?

- I am waiting for. . .

- How long are you waiting. . .

- I am waiting for. . . I am waiting. . . she has. . .

2 - What are your brother doing?

- He is walking with our dog

- How long is he walking?

- He walking. . . He usually walking. . .