Apply for greencard ASAP regardless of his alien status. The longer you wait, the worse it will be for him and his chances. If you are preg. apply for Compassionate Grounds Stay. Get doctor to verify preg. and advocate him being with you. As soon as you apply for this, he may be granted temporary work permit. I have done ALL of this already. Good luck
Get married and he can apply for a residential visa through marriage.
How long does what take? You need to be a bit more specific.
Since you came into the u.s. legally and over stayed on your tourist visa but got married. Your wife or husband can file a petition I-130,green card, and work permit through the immigration. The work permit it is filing for socail sercurity. Please talk to a lawyer about this process.
20 questions from authorities.
Each country will be different so this depends. In Canada your tourist visa would still be valid.
it is not illegal to be pregnant on a tourist visa and they will learn the hard way it wil not change their immigration status if that is what they are after.
If you are married to a US citizen but your tourist visa is expired and you lost your I-94, you should immediately apply for a new visa or return to your country. Your I-94 is filed electronically, and you can get a new copy from the Department of Homeland Security. If you don't take action yourself, you may end up being deported and not allowed to return.
Not legally without authority approval
The answer to this will depend on which country you are living in.
No you can't. You would more or likely get refused if you get married before getting a spousal visa after you get married. So you would need to get that visa before the wedding, while on the tourist visa.
The tourist visa is for a set time frame. You could get married, but the person would have to return home until they can get a residency visa.
It is possible for a Filipino in the U.S. on a tourist visa to marry an American citizen. Getting married is usually easy, but being allowed to stay in the U.S. can be more complicated in this situation and may require the help of an attorney.