“Choose” is the base/present form of the verb, while “chose” is its simple past. The past participle is “chosen,” so tense—not spelling preference—determines which form belongs in a sentence.
ReviewedEvidence1 sourceSectionEnglish Usage
Quick answer
Use “choose” for the base or present form and “chose” for the simple past: “I choose now,” but “I chose yesterday.”
Key details
Confusion Familyirregular verb forms
Rule Familyverb forms
Termschoose, chose
Verb Formschoose, chose, chosen
Further guidance
Core difference
“Choose” is the base and present form; “chose” is the simple-past form.
Form Boundary
The full principal-parts pattern is choose → chose → chosen; after have/has/had, use “chosen,” not “chose.”
Sources and evidence
Sources are shown with the role they play in this guide. Historical or style-sensitive claims are kept within the evidence boundary described above.
“Chose” and “chosen” are different forms of the irregular verb “choose.” “Chose” is the simple past, while “chosen” is the past participle used in perfect constructions.
“Ate” and “eaten” are different forms of the irregular verb “eat.” “Ate” is the simple past, while “eaten” is the past participle used in perfect constructions.
“Awoke” is the simple-past form of the literary verb “awake,” while “awoken” is its past participle. Cambridge also records “awaked” as a US simple-past variant, so the guide keeps that regional option visible.
“Beat” and “beaten” are different forms of the irregular verb “beat.” “Beat” is the simple past, while “beaten” is the past participle used in perfect constructions.
“Became” and “become” are different forms of the irregular verb “become.” “Became” is the simple past, while “become” is the past participle used in perfect constructions.
“Began” and “begun” are different forms of the irregular verb “begin.” “Began” is the simple past, while “begun” is the past participle used in perfect constructions and, where applicable, passive constructions.
