It is the past tense.
"Bought" is the past tense of the verb "to buy".
The past tense is bought.
The past participle of buy is bought.
infinitive: buy past: bought past participle: bought
the present tense for buy is bought :]
"Bought" is the past tense of "buy".
By is not a verb and does not have a past tense. Buy is a verb, and the past tense is bought.
The past and past participle for "buy" is "bought."
The past tense of buy is bought.
The past tense is: You bought cake.
Bought.
The word "bought" refers to a purchase in the past tense, where the word "buy" refers to a purchase in the future tense.