Modal Verbs: might

Might + Indefinite Infinitive:

Might with the indefinite infinitive is used to express possibility or uncertainty in the present or future.

Examples:

I might go to the gym later. (Possibility)

He might need some help with his project. (Uncertainty)

Might can also be used to make polite requests, similar to may.

Example: Might I borrow your pen, please? (Polite request)

Might in continuous tenses:

Might can be used in continuous tenses to express possibility or uncertainty over a period of time.

Examples:

She might be studying for her exam right now. (Possibility over a period of time)

They might be having trouble finding the restaurant. (Uncertainty over a period of time)

Might in negative:

In negative form, might not is used to indicate that something is not possible or likely.

Examples:

We might not be able to finish the project on time. (Not possible)

He might not come to the party tonight. (Not likely)

Might + Perfect Infinitive:

In the perfect infinitive form, it is used to express possibility or uncertainty in the past.

Examples:

She might have missed the train this morning. (Possibility in the past)

They might have forgotten to bring the key with them. (Uncertainty in the past)

Might in subordinate clauses:

Might can be used with the indefinite infinitive in subordinate clauses to express purpose or intention.

Examples:

She saved money so that she might travel to Europe next summer. (Purpose)

He is working hard so that he might get a promotion. (Intention)

In all of these cases, might is used to indicate possibility, uncertainty, purpose or intention, depending on the context.

Might in conditional sentences:

Might can be used in conditional sentences to express a hypothetical or uncertain outcome.

Examples:

Zero conditional with might:

In the zero conditional, might is used in the if-clause to express a possibility or uncertainty, and the main clause expresses the consequence or result.

Example: If it rains tomorrow, we might stay at home. (Possibility or uncertainty in the if-clause, consequence in the main clause)

First conditional with might:

In the first conditional, might is used to express a hypothetical situation in the if-clause, and the main clause expresses the consequence or result.

Example: If I won the lottery, I might buy a new car. (Hypothetical situation in the if-clause, consequence in the main clause)

Second conditional with might:

In the second conditional, might is used to express a hypothetical situation in the past and the consequence or result that could have happened.

Example: If we had left earlier, we might have caught the train. (Hypothetical situation in the past in the if-clause, consequence in the main clause)

In all of these examples, might is used to express a hypothetical or uncertain outcome in a conditional sentence.