modale past modal have plus 3 forma

 Przypuszczenie 

1. She may/ might/ could  have forgotten.

Probably she forgot. 

2. She must have forgotten .

I am sure she forgot

3. She may not cheated.

Probably she didn't cheat.

4. He can't have cheated.

I am sure he didn't cheat.

Przymus : 

I had to do my homework. I did my homework becuase it was obligatory.

1. Probably she ate your pizza.

She ..........................................

2. Probably she didn't eat your pizza.

She ...........................................

3. I am sure he bought dougnuts for us.

....................................................

4. I am sure he didn't buy doughnuts

..............................................................

5. Mum told me to study .

........................................................

I ........................................................