They may forget the password.

A. English has been understood by everyone.

B. English is understood by every one

C. English was being understood by everyone.

D. English was understood by everyone.

A. Dan left right after to see all the paintings.

B. Dan left all the paintings after seeing them.

C. Right after seeing all the paintings, he left

D. He left and then saw the paintings right after.

A. The assignment should be done by the students.

B. The assignment should had been done by the students.

C. The assignment should have been did by the students.

D. The assignment should have been done by the students

A. She has been interviewed for the job.

B. She was being interviewed for the job

C. She was interviewed for the job.

D. She was interviewing for the job.

A. If he had tried his best, he could have won the biggest prize.

B. Unless he tried his best, he couldn’t win the biggest prize.

C. Although he tried his best, he still won the biggest prize.

A. I am surprised by this

B. I was surprised by this.

C. I will be surprised by this.

D. I would have been surprised by this.