Complete the statements using the correct form of 'to be' and the verb. Use the long (full) forms.

Example: They _______________ in the lake. (to swim)

Correct: They are swimming in the lake.

Incorrect: They're swimming in the lake.

1. Anna is watching a film. (to watch)

2. She is singing a song. (to sing)

3. They are drawing a picture. (to draw)