Fill in the blank with a modal auxiliary indicating duty. You _______ to serve the country like your father did years ago.
Can
Shall
Must
Ought
You ought to serve the country like your father did years ago.
Fill in the blank with a modal auxiliary showing advice. Ritika said to Kavita, “You ______ go and meet your ailing grandfather as soon as possible.”
Fill in the blank with a modal auxiliary indicating permission.
“You _____ eat solid food once his reports are normal,” said the doctor.