Come aboard phrasal verb
To allow passengers to get onto a ship, airplane, etc.
Although we were late, the captain would make an exception to come aboard.
My mother and I have come aboard to visit our relatives in Ho Chi Minh city.
To enter a business, club, or some other group.
He broke with his partner and came aboard another firm.
Peter has come aboard my company as chief industrial engineer.
Take a brief, comfortable ride in a vehicle in order to test it
To wave at a vehicle as a signal for the driver to stop
A large trailer truck that has 18 wheels
To have no participation in doing something.
1. To turn up at a place by means of something.
2. To turn up at a place in a particular outfit.
The verb "come" should be conjugated according to its tense.