Parts 2 and 3

In each blank, write the sentence part that is specified in parentheses.

1		When Tim Astor gets a new idea for a novel, he writes it down immediately. (main clause)
2		He begins a new book whenever he gets an inspiration. (subordinate clause)
3		As he is writing, he often listens to classical music. (subordinate clause)
4		He is humming while he is writing. (main clause)
5		He never starts a new project before he has completed the current one. (subordinate clause)
6		Tim rarely writes on the weekend unless he has a deadline. (main clause)
7		Leonardo da Vinci had painted the Mona Lisa before he worked on many of his ideas for inventions. (subordinate clause)
8		After Leonardo da Vinci had painted his major artworks, he spent more time on his inventions. (main clause)
9		Leonardo da Vinci had already worked as a civil engineer, military engineer, and architect by the time he began his major paintings. (main clause)
10		Before he began his major paintings, da Vinci had already worked as an engineer and architect. (subordinate clause)