While Joe was driving to school yesterday, he had an accident.
to school yesterday, had an accident.

Before I came to class, I had a cup of coffee.
Before to class, I a cup of coffee.

Since I came here, I have learned a lot of English.
Since here, I have a lot of English.

Since Bob opened his new business, he has been working 16 hours a day.
Since his new business, has been working 16 hours a day.

After Omar had finished breakfast, he left the house and went to his office.
breakfast, left the house and went to his office.

Alex hurt his back while he was chopping wood.
wood, Alex his back.

You should always read a contract before you sign your name.
Before your name, should always read a contract.

Before you ask the librarian for help, you should try to find the materials yourself.
Before the librarian for help, you should to find the materials yourself.

While Jack was trying to sleep last night, he was interrupted by a mosquito buzzing in his ear.
to sleep last night, was interrupted by a mosquito buzzing in his ear.

While Susan was climbing the mountain, she fell onto a ledge several meters below.
the mountain, fell onto a ledge several meters below.

The Wilsons have experienced many changes in their lifestyle since they adopted twins.
Since twins, the Wilsons have many changes in their lifestyle.

After I heard Mary describe how cold Minnesota is in the winter, I decided not to go there.
Mary describe how cold Minnesota is in the winter, decided not to go there.