доплати́ть

Very rarely used word (top 60,000)

Verb aspects

Imperfective (ongoing or repeatedly):

pay extra

Perfective (completed or one-time):

pay extra

Вам нужно нужно доплати́ть за аккумуля́торы.You need to pay extra for the batteries.
Прости́те, но вам надо доплати́ть за ли́шний вес.I'm sorry, you have to pay for the extra weight.

Note: Stress change.

Imperative
ты	доплати́
вы	доплати́те

Active present
Active past	доплати́вший	someone who was doing
Passive present
Passive past	допла́ченный	something which was being done
Gerund present
Gerund past	доплати́в доплативши доплатя́	while doing (past)