Verbs come in three tenses: past, present, and future. The past is used to describe things that have already happened (e.g., earlier in the day, yesterday, last week, three years ago). The present tense is used to describe things that are happening right now, or things that are continuous.

What is the tense of the verb after when?

When you have a conditional structure "Cause and Effect" you will always need a SIMPLE PRESENT tense after "When." i.e. When it rains, I carry my umbrella. or I carry my umbrella when it rains. When* I warm up water up to 100ºC, it boils.

What is a tense verb example?

The tense of a verb is determined by when the action took place. ... The Past Tense (e.g., I walked.) The Present Tense (e.g., I walk.) The Future Tense (e.g., I will walk.)