—— wavy lines will show passive sentences and —- wavy lines will sho misspelled words in the document.

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GREEN wavy lines will show passive sentences and  RED wavy line will show misspelled words in the document

Explanation:

The green wavy lines will indicate the presence of a passive sentence in a Microsoft word document been typed. this is only possible when you have configured your Microsoft word or any other type of word processing document to check for passive sentences, most times the Grammar check is on by default. the wavy lines are green in color and they will underline passive sentences therefore calling your attention towards passive sentences.

The Red wavy lines will indicate any misspelled or incomplete word in a sentences while typing a document . the spell check for a Microsoft word document is checked on by default and also the grammar check is on by default as well.

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the answer is a   : ) hope that