You can apply for an F1 student via, however, you must be in legal status on the date of application. This may be difficult if you entered as a...

Can I sponsor my wife?. I’m a green card holder

In most case yes, but she will probably need a 601a waiver. indexm

How i can apply for my husband to bring him united states i am permanent resident..... (green card holder)?

Yes you can sponsor your husband. It should take about 2 years.

Voluntary departure?

120 days if you ask for vid at the Master hearing.

If your boyfriend entered with a visa, he should be able to apply for adjustment of status, but if he entered illegally, he will need a 601A...

Timeline for EAD by married

Any day now. It usually takes about 4 months.

Can I file one form I-130 for both my husband and 4 year old child?

Yes you will need 2 petitions if you are a US citizen, but if you are a Green Card holder, you could include the child as a derivative.

It should take about one year for both, if you marry her abroad. If you don’t marry, you can apply for a fiancé visa, which should allow her to...

Does the 90-day rule also apply for re-entry?

I assume that the 90 days resets at each entry. Don’t risk it because you will have to file a waiver for misrepresentation, which take time and...

Do I need to carry I-140 approved original letter when attending Adjustment Status Interview (I-485)?

I’m sure a copy will suffice. But you will need a letter from your company stating that the position is still open.