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Hello Ankush
Please check https://www.teachoo.com/6767/2194/What-are-Modals/category/Modals/
Download our app to learn more https://play.google.com/store/apps/details?id=com.teachoo.grammar
Comment
They are called auxillary or helping verb which help to make beautiful and attractive words . Some eg which are not present are ought to used as should ;,need ,need not used for the thing we want or not; dare used for expressing our angry thoughts like how dare you read this ans.
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Hello Ankush
Please check https://www.teachoo.com/6767/2194/What-are-Modals/category/Modals/
Download our app to learn more https://play.google.com/store/apps/details?id=com.teachoo.grammar
Comment
They are called auxillary or helping verb which help to make beautiful and attractive words . Some eg which are not present are ought to used as should ;,need ,need not used for the thing we want or not; dare used for expressing our angry thoughts like how dare you read this ans.