The document provides examples to practice using correct verb forms and making questions using "How long?". It contains 10 sentences where the correct verb form must be chosen from options in brackets. It also contains 5 sentences where a question must be formed using "How long?" about the duration of an ongoing action described in the statement. The document is a grammar exercise focusing on verb forms and question structures.

1. Grammar
I. Choose the correct verb from the brackets and complete the sentence.
1. I enjoyed........................the children to the theatre. (to take/taking)
2. He was seen..................over the fence. (to climb/climbing)
3. I need...................some tourist guides for my trip. (getting/to get)
4. I noticed her..................a big box.(to carry/carring)
5. Tom heard........................before the accident. (to shout/shouting)
6. I dislike.....................caught in the rain without an umbrella.
(getting/to get)
7.The chidren liked.................volleyball in the park this morning.
(to play/playing)
8. I don't like.........................chess because it takes a long time to
finish a game. (play/playing)
9. People should avoid..................in quiet street or parks when it's late.
(walking/to walk)
10. They need....................a bigger basket to carry these chickens.
(to bring/bring)
II. Make question with How long?
1.........................................................................................................?
I have been watching this film since early morning.
2..........................................................................................................?
He's been playing football for 2 hours.
3...........................................................................................................?
They have been learning Japanese since last year.
4...........................................................................................................?
She has been teaching English for 10 years.
5...........................................................................................................?
They have been married for 25 years.