1. I have already picked up litter (or picked litter up)
2. My brother has just raked the leaves
3. My friends and I have already sewn soft toys
4. The boys haven`t yet collected secondhand books
5. We have helped elderly people this week
Объяснение:
1) I have already picked up litter
2) My brother has just raked the leaves
3) My friend and i have already sewn soft toys
4) The boys havent yet collected secondhand books
5) We have helped elderly people this week
Объяснение: