Bob is a very good basketball player but he was not picked to be on the on team because he is short.
If he [blank_start]_________[blank_end] taller, he would be on the basketball team.
Mary is pregnant so she can not continue her engineering studies.
If she [blank_start]_________[blank_end] (be) pregnant, she would be able to graduate soon.
Sally does not work so she has no money to travel abroad on vacation.
If she [blank_start]_________[blank_end](work) , she could go on a one month tour around Europe.