Question

how many types of tens are there​

Answer 1

Answer:

there are 2 types of lens

concave lens and convex lens

There are three main tenses: past, present, and future. In English, each of these tenses can take four main aspects: simple, perfect, continuous (also known as progressive), and perfect continuous.

Explanation:

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Answer 2

Answer:

3 type of tense

Explanation:

1. present

2. past

3.furture