Regular exercise not only help in controlling weight, but also prevents illness
It allows us to get rid of tenseness, anxiety and frustration
During exercise, the brain releases (some/ the) chemicals (which are) called endorphins, which are associated with happiness and relaxation
Exercise (which is) taken regularly improves the fitness of our body and (our) mind
They are looking for the man and his dog that have lost the way in the forest.
My wife, whom you were speaking to, wants you to come to dinner.
she isn't easy to talk to
if they hadn't been ill, they would have taken their exam
the patient not to smoke in that room