The purpose of modal verb ,that is, the use of word 'might' is to show the likeliness or possibility of the action occurring in future.
What is a verb?
A verb is one of the grammatical form that is used in the sentence to indicate the present, past or future. When the verbs are used in its basic form, then those are referred to as infinitive verbs.
- Modal verbs are the ones that depicts a sense of likelihood, request, permission or advice. It relates to the other form of verb being used in the sentence having similarity with the content. It could be past, or future forms of verbs being used or even present form also.
- According to the provided sentence, the use of 'might ' indicates the chances of the going back of Jenny on the work when her pregnancy period is over. There is no certainty of returning back to work. Might indicates the future form of may used in the sentence.
Therefore, the chance of the action being happened in future is being indicated from the word 'might'.
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