My girlfriend says that you should wait 15-20mins before you get a second portion.
before the helping verb
Yes, should is a helping verb.
There should be no problem flying before having carpal tunnel syndrome surgery.
Should is an auxiliary (helping) verb.
before you do something you should give a second thought.
technically there are 24 of them be am is are was were been being has had have could should would may might must shall can will do did does having.
Parnets should be together for maybe two years before having children but if they are ready to have children then they should and when i say ready i mean a steady job good income and a house.
about a couple months after so you can get used to having one
about 6 months
You should. You don't absolutely have to, but it's a good idea.
Yes, should is a helping verb for the main verb drive.