Inversion

Igor and Tanya.

Without inversion:

1. It is hard to study when you have a lot of lessons.

2. It is hard to communicate with people when you are bored.
3. She is a great dancer and a great basketball player.
4. The weather has never been so cold.
5. I have no time to do my homework.

Inversion:

1. Only when had I got a lot of lessons, it was hard to study.

2. Never have I been so bored to communicate with people.

3. Not only is she a great dancer, but she is also an amazing basketball player.

4. Never has the weather been so cold.

5. At no time will I do my homework.