উত্তর সিলেক্ট করলে সঠিক ও ভুল দেখাবে।
ব্যাখ্যা ও সঠিক সমাধান
উত্তর:
Modal verb
modal verb is a type of verb that indicates a modality such as a likelihood, ability, permission, request, capacity, suggestion, order, obligation, necessity, possibility or advice.Here should is used to indicate advice. Obey is principal verb, which is transitive as it has an object