We didn't spent a lot of money.

We not spent a lot of money.

We didn't sweep a lot of money.

We didn't spend a lot of money.

A cat saw the mouse?

Did a cat saw the mouse?

Was a cat saw the mouse?

Did a cat see the mouse?

Did the children taked a bus to school?

Did the children took a bus to school?

Did the children take a bus to school?

Were the children took a bus to school?

Tom does not begin playing football.

Did Tom begin playing football.

Tom was not began playing football.

Tom did not begin playing football.

My grandpa built a big house?

Did my grandpa build a big house?

Was my grandpa built a big house?

Did my grandpa built a big house?

Boys didn't fight in the playground.

Boys didn't fought in the playground

Did boys fight in the playground.

Boys didn't find in the playground.

My friend didn't no a secret.

My friend didn't now a secret

My friend don't know a secret.

My friend didn't know a secret.

Did you were at school three weeks ago?

Did you was at school three weeks ago?

Were you at school three weeks ago?

Did you be at school three weeks ago?

Did you left two hours ago?

Did you lost two hours ago?

Did you leave two hours ago?

Were you leaved two hours ago?

Tom did not break a window.

Tom did not breaked a window.

Tom did not brake a window.

Tom did not broke a window.

We finded my cat.

We found my cat.

We founded my cat.

We did find my cat.

You did decorate your house yesterday.

You decorate your house yesterday.

Your house decorated you yesterday.

You decorated your house yesterday.

Your cat did catch a mouse.

Your cat caut a mouse.

Your cat caught a mouse.

Caught your cat a mouse.

I flew to America last summer.

I did fly to America last summer.

I flied to America last summer.

You flied to America last summer.