Помогите зделать 35 упражнение, заранее спасибо!

I was able to draw a pic
I was able to play tennis
I wasn't able to write a book
I wasn't able to ride a horse
I wasn't able to speak English
I wasn't able to understand German
I wasn't able to go boating
I was able to dance well

I was able to draw a picture
I was able to play tennis
I was not able to write a book
I was not able to ride a horse
I was able to speak English
I was not able to understand German
I was not able to go boating
I was able to dance well