1. Does, well
2. Is, good
3. Are, speaking
4. Does, many
5. That, them
6. Aren’t you
7. Are you
8. Did they
1. was (Past Simple); 2. When did you meet (Present Perfect); 3. have not seen (Present Perfect); 4. How ... have you gathered (Present Perfect); 5. Where have you put (Present Perfect); 6. began (Past Simple); 7. I have done (Present Perfect); 8. began (Past Simple); 9. has stopped (Present Perfect); 10. we have already solved (Present Perfect)
1. A dog can swim. A cat can’t swim.
2. A chimp can climb. A horse can’t climb
3. A bird can fly. A fish can’t fly.
4. A frog can jump. A fish can’t jump.
5. A bird can sing. A horse cant sing.
6. A cat can run. A fish can’t run.
7. A frog can sing. A chimp cant sing.