Закончите предложения. Используйте полный или голый инфинитив.

1. when i was little i could have climb the trees2. may i have open the windows?3. my sister wanted have travel to the UK4. we mustn't have drop litter in the street5. if you have a toothache, you should have go to the dentist6. pupils must have do their homework7. can you have swim well?

When I was little I cloud