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WORDS:
давать (to give)
приходить (to arrive)
ждать (to wait)
писать (to write)
раздевать (to undress)

Приходите = formal or plural
Приходи = informal

Telling someone to do something and not to do something may require the use of a different form of the verb. For instance:
Посмотрите means Look! and Не смотрите means Don't look!

Приходи к нам завтра.
(Come see us tomorrow.)

Ждите меня!
(Wait for me!)

Напишите двадцать предложений!
(Write twenty sentences.)

Раздевайтесь ваше пальто.
(Take your coat off.)