Question: Which sentence is an example of an incorrect passive construction?

Options:

1. The homework was completed by the students.
2. The students completed the homework.
3. The homework is being completed by the students.
4. The students were completed the homework.

Correct Answer: The students were completed the homework.

Solution:

This sentence is incorrect because it improperly uses \'were\' instead of \'were completing\' or \'completed\'.