- I haven't finished my homework for tomorrow.
- Gerrie hasn't read anything about Silicon Valley.
- We have looked for some better information.
- They have bought a new computer online.
- He has used the latest software.
- The boys haven't rung their parents.
Ответ: 2. hasn't read, 3. have looked for, 4. have bought, 5. has used, 6. haven't rung