choose (“to choose”) is a English verb. It is irregular: some of its forms don't follow the default pattern.
Updated
The forms of choose
The core forms of choose are: third person chooses, present participle choosing, past simple chose, past participle chosen. Because it is irregular, at least one of these is not what the regular rule would predict.
choose in a sentence
In a sentence, choose looks like this: He always chooses the window seat.. The example shows the context the form turns up in.
Forms and CEFR levels
This page lists 4 forms of choose, grouped by CEFR level. The third person (A1) is free to practise in Verboteca; Premium opens the remaining forms.
FAQ
What does “choose” mean in English?
choose means “to choose”.
Is choose regular or irregular?
choose is an irregular English verb: some of its forms don't follow the regular pattern.