The simple past tense and past participle forms are both bought.
The past and past participle for "buy" is "bought."
Buy is present tense. Buying is the present participle. The past and past participle is bought.
infinitive: buy past: bought past participle: bought
infinitive: buy past: bought past participle: bought
The past indicative and past participle of "buy" are both "bought".
The past participle of buy is bought.
You're thinking of the past tense of the word "buy". The past participle of buy would be has bought or had bought. The differences between past tense and past participle are listed below:A past participle ends in -ed or -en and it has two functions:1) AdjectiveEX: This car is heated. (Verb: "is"; Adjective "heated")EX: We had a heated argument. (Adjective "heated")As an adjective, the past participle occurs after the verb BE (is, am, was, were, been) or it modifies a noun.2) Part of a verbEX: The stove has heated the room. (Verb: "has"; Part of a verb: "heated")As a part of a verb, the past participle occurs with the verb HAVE (have, has, had).Past tense refers to a verb. (Please note that, past participles are not verbs.)EX: The stove heated the room.In the example above, the word 'heated' doesn't do the following things:It doesn't occur with BE (is, am, was, were, been)It doesn't occur with HAVE (have, has, have)It doesn't modify a noun (argument)"Heated" functions all by itself. It's a verb, and the -ed ending tells us it's a past tense verb.
The word bought is a verb; the past participle, past tense of the verb to buy (buys, buying, bought).I bought a cake for the party.The past participle of a verb is also an adjective, a word to describe a noun.I didn't make the cake, it's a bought cake.
The word 'sold' is the past participle, past tense of the verb to sell. The past participle of the verb also functions as an adjective.The word sell is also an abstract noun as a word for the activity of persuading someone to buy; for example 'hard sell' and 'soft sell'.A related abstract noun is sale.
buy is the present tense.
The past participle of buy is bought.
Buyed is not a word in any language. But the past tense of buy is bought not Buyed though.