V's

on fire 起火、著火 The house is on fire.
on the fire 在爐火上 The cooking pan is still on the fire.
under fire 遭受攻擊 The movie showed the border under fire.

in time for 趕得上 They were just in time for the train.
in time of 在...的時候 Good ideas come in time of crisis.

by name名叫 The policeman arrested a pickpocket, Chang San by name.
in name名義上 We are free in fact as well as in name.

be in office 就職、執政 The new cabinet is now in office.
be in an office 當職員 Mr. Brown has been in an office for a few years.
in the office 在辦公室裡 Cadres is not in the office.