Each of the following sentences is in the Simple Past, Past Continuous or Past Perfect Tense.

Change each of them into the other two kinds of tenses mentioned.

1. Thomas drew the chair close to the window.
2. The policeman was blowing a whistle on seeing the thief.
3. Regular jogging practice had given a good shape to his body & mind.

1. Past continuous - Thomas was drawing the chair close to the window.
    Past perfect - Thomas had drawn the chair close to the window.
2. Simple past - The policeman blew a whistle on seeing the thief.
    Past perfect - The policeman had blown a whistle on seeing the thief.
3. Simple past - Regular jogging practice gave a good shape to his body and mind.
    Past continuous - Regular jogging practice was giving a good shape to is body and mind.
Hope you find my answer useful
Regards
Akanksha