Определите времена Where did you buy these toys?
Potatoes are grown in many countries.
Have you bought all the souvenirs yet.
I have been learning English for 5 years
Варианты
Past Indefinite tense
The Present Perfect tense
The Present Perfect continuous
Passive Voice
The Prethent continuous tense

По порядку:

Past Indefinite

Passive Voice

Present Perfect

Present Perfect Continous

Объяснение:

Where did you buy these toys?  - Past Indefinite

Potatoes are grown in many countries.  - Passive Voice

Have you bought all the souvenirs yet?  - Present Perfect

I have been learning English for 5 years - Present Perfect Continuous