Определите время???

1. What are they doing now?
2. Kate bought food yesterday.
3. My neighbours had build their house for three years.
4. Jane have translated the second part of the story before we found it.
5. Who have invented the radio?
6. I have just finished my homework.

1. What are they doing now? - Present Continuous

2. Kate bought food yesterday. - Past Simple

3. My neighbours had build their house for three years. - Past Perfect

4. Jane have translated the second part of the story before we found it. - have translated-Present Perfect , found-Past Simple

5. Who have invented the radio? - Past Perfect

6. I have just finished my homework. - Past Perfect