Question

I have lost my phone somewhere

Answer 1

I must have lost my phone somewhere.

Explanation:

• A module auxiliary verb is a kind of verb that is used to show modality- that is the probability, ability, appeal, permission, or advice.

• Must is used to show the possibility or obligation.

• Words like can, could, would, might, must, will, should, shall, may, and ought are the modal auxiliary verbs.

• They never change their forms like other verbs- shows the probability, need, or willingness.