Elementary Grammar Exercise

Perfect Tense - Set:1 Negative Perfect Tense
Exercise: use contraction to change sentences to negative.

I have finished this letter.
The answer should be
"I haven't finished this letter."

 Answer Sheet
1  2  3  4  5  6  7  8  9  10  
1. I have made a mistake.
2. She has done this exercise well.
3. I have heard of the writer.
4. The train has arrived.
5. I have seen these two movies.
6. His uncle has taught me to skate.
7. Tom has left his book at home.
8. My mother has cooked the dinner.
9. Mr. Lee has been to Washington.
10. He has lived in Vancouver.

Check Answer: