II. Change the sentences to the negative and interrogative 1. She has invented a new program. 2. They have traveled to Cochabamba. 3. We have watched TV. since 2:00 o'clock. . 4. David has studied English all day. 5. I have lived in this house for four years.
Respuesta:
1. she hasn't invent a new program
1. has she invent a new program?
2. they haven't travel to Cochabamba
2. Have they travel to Cochabamba?
3. we haven't watch tv...
3. have we watch tv...?
4. david hasn't study English...
4. has david study English...?
5. i haven't live in this...
5. have i live in this...?