Verbs ‘брать’ and ‘взять’ mean ‘to take smth’. ‘Брать’ is an imperfective verb and is used when the action is in progress, repeated, habitual. ‘Взять’ is a perfective verb and is used when talking about one completed action or result. These verbs are used in the following meanings:

1. To take an object by hand (physical action)

Он взял книгу со стола и начал читать. 
He took a book from the table and started to read.

2. To take with you (to take something along for future use). In this meaning, we often add ‘с собой’ (with oneself) to the verb. 

1. Я часто беру сэндвичи на работу.
I often take sandwiches to work.

2. Я взял с собой фотоаппарат.
I took a camera with me.

3. To buy (in colloquial speech) 

1. Мы обычно берём билеты онлайн.
We usually buy tickets online.

2. Я возьму это платье.
I will take (buy) this dress.

3. Давай возьмём кофе с собой.
Let's grab/buy a coffee to go.

The verbs ‘брать’ and ‘взять’ have special conjugations:

Listen to the audio to hear the correct answers

Listen to the audio to hear the correct answers