Step #1
Draw rectangle.
Step #2
Draw rectangle.
Step #3
Draw top edge line of boat house as shown.
Step #4
Draw half rectangle.
Step #5
Draw line as shown.
Step #6
Draw bottom line of boat house as shown.
Step #7
Draw five half ovals.
Step #8
Draw four half ovals.
Step #9
Draw windows.
Step #10
Make necessary improvements to finish.