Do the exercise
1. The little girl ..................... (to cry) now because she fell.
2. Mr. Brown ..................... (to talk) to John's mother. He was naughty.
3. We ..................... (to sing) a song for Karen's birthday, she is 14 today.
4. They ..................... (to play) football in the park.
5. Where is Mark? Mark ................. (to swim) in the pool.