1 .provided /They /homeless people /last year /food
-> They provided homeless people food last year 

2. watered /school /We /the trees /the /garden / in
-> We watered the trees in the school garden

3. old /They /in /cooked /for /soup /people /nursing home /the
They cooked soup for old people in the nursing home
 

1 .provided /They /homeless people /last year /food
->The provided food to homless people last year

2. watered /school /We /the trees /the /garden / in

->We watered the trees in the garden at school

3. old /They /in /cooked /for /soup /people /nursing home /the
->Our class  donated clothes for poor people last year

4. donated /last /Our class /poor people /for /clothes /year
->Some students picked up litter on Mike beach