Buenas tardes por favor necesito 5 oraciones utilizando THERE BE (is - are) en presente y pasado, afirmacion y negacion?

1) Afirmacion

there are some cans in the fridge

there were some cans in the fridge

Negacion

there are not cans in the fridge

there were not cans in the fridge

2) afirmacion

There is someone in there

there was someone in there

Negacion

There isnt anyone in there

there wasnt anyone in there

3) afirmacion

there are manybuildings

there were many buildings

Negacion

there are not manybuildings

they were not manybuildings

4)Afirmacion

there is too much people

there was too much people

Negacion

there isnt too much people

there wasnt too much people

5)afirmacion

there are many things to do

there were many thing to do

Negacion

there arent many things to do

there were not many things to do.