It should be are. The United States is plural, therefore you have to use a plural form of the verb.
ET aliens should live with us.
Yes. You should.
It is the latter- To
We should care because then they will attack us and hump us
No,you should not be scared of ghosts they are here to guide us and help us.
He has been telling us when you should start.
No! No! No! No! No! No! No! No! No! No! No! No! No! No! No! No! No! No! No! No! No! No! No! No! No! No! No! No! No! No! No! No! No! No! No! No! No! No! No! No! No! No! No! No! No! No! No! No! No! No! No! No! No! No! No! No!
In the us
The us flag should be folded in a triangle and stored in a glass box!
The US should not ban hand guns. A tool is a tool. The user is the problem.
He should very nice
Why should they, the wimpy Canadian Government gives them everything the US wants anyway.