-read awkwardly

-often funny

You can correct them:

1-      Adding subject:

While whispering in the darkened theatre, the popcorn fell to the floor. (Who is whispering? a popcorn J ?)

Correct: While we were whispering in the darkened theatre, the popcorn fell to the floor.

2-      Rearrange the sentence:

The woman called the doctor with flue. (Is doctor sick? No)

The woman with the flue called the doctor.

I figured out that the house had been robbed by myself. (Did you robbed by yourself)

Correct: I figured out by myself that the house had been robbed.