participle forms. Built. See build. Burn, burned, burned. An irregular verbin its main, past tense,and past participle forms. Burned. See burn. Burst, burst, burst. An irregular verb in its main, past tense, and past participle forms. But. The coordinating conjunction but links two more or less equivalent things, people, or parts of a sentence: I watered the owers but not the plant The owers bloomed, but the plant eventually died When two nouns, pronouns, or phrases are joined by but no comma comes before the conjunction. When two independent clauses connect with but as in the second sentence in the example, a comma comes at the end of the rst clause. Series of more than two things or clauses joined by but should have a comma before but I came, I saw, but I didn’t conquer.” Buy. See by. By, bye, buy. Don’t confuse the preposition of agency or time by (The work is being done by Chris it will be nished by ten) with its homonyms bye (a short version of goodbye or not having to take part in around of competition The high-ranking tennis players get a bye in the preliminaries and don’t have to play.”) and buy (purchase. Note that buy has irregular forms in the past tense and past
