1. Don’t use two modals together - Part 1दो modals का एक साथ प्रयोग...

1. Don’t add “-s”, “-ed”, or “-ing” to modals - हम किसी Modal verb में...

If you want to request someone to do something, start your question with modal verbs Will, Would, Can...

must, ought to और should ➡ ये तीनों एक जैसे लगते हैं परन्तु...

a. Advice = counsel,advices = informationb. Air = atmosphere,airs = proudc. Authority = command,authorities...