cost means “to cost” in English. It is irregular: some of its forms don't follow the default pattern.
The forms of cost
The core forms of cost are: third person costs, present participle costing, past simple cost, past participle cost. Because it is irregular, at least one of these is not what the regular rule would predict.
cost in a sentence
In a sentence, cost looks like this: This phone costs too much.. The example shows the context the form turns up in.
Tenses and CEFR levels
This page lists 4 tenses and moods of cost, grouped by CEFR level. The third person (A1) is free to practise in Verboteca; Premium opens every tense and mood up to the advanced levels.
FAQ
What does “cost” mean in English?
cost means “to cost”.
Is cost regular or irregular?
cost is an irregular English verb: some of its forms don't follow the regular pattern.