Question

Was I really full? (Make a statement)

Answer 1

the que should be wasn't

Ans-I was really full.

HOPE IT HELPS!!

Answer 2

I was really full.

The above sentence is an interrogative form of sentence.

We can easily find out the interrogative sentence by using the question mark available in the end of given sentence.  

To make a sentence, we need to place the subject first.  

After that, we need to place object followed by a verb.

Finally, we can get a complete sentence as I was really full.