Використання прийменників on, at, in

at a bus

on a bus

in a bus

at taxi

on taxi

in taxi

at once

on once

in once

at the future

on the future

in the future

at the age of

on the age of

in the age of

at the evening

on the evening

in the evening

at times

on times

in times

at midnight

on midnight

in midnight

at weekdays

on weekdays

in weekdays

at three years' time

on three years' time

in three years' time

at five minutes

on five minutes

in five minutes

at a bike

on a bike

in a bike