posted by Garrett .
Lungs were clear with an occasional cough. verb = were,lungs = subject
He was discharged on the fourth hospital day. verb = discharged hospital = subject
After 24 hours in the hospital he was much improved. improved is a predicate adjective but now is the verb = was and the subject improved ???
The history from the mother is very sketchy. history = verb, mother = subject
Repeated chest x-rays, however, have shown atelectasis. repeated = verb, chest x-rays = subject
The first sentence is correct.
The second has the wrong subject.
In the third, the verb is correct, but not the subject.
The verb in the fourth is is. Who is?? (not mother)
Your subject is right for the last one. Please try again for the verb.