Make up negative sentences1. I phoned my friend yesterday.2. We watched a cartoon last evening. 3. Ron worked in his office last Saturday. 4. Paul walked in the park last weekend. 5. Mark and Jeff played computer games yesterday.

I didn't phone my friend yesterday.
We didn't watch a cartoon last evening.
Ron didn't work in his office last Saturday.
Paul didn't walk in the park last weekend.
Mark and Jeff didn't play computer games yesterday