التركيب اللغوي
13
What is the difference between must and have to?
Have to" and "must" have the same meaning in the affirmative and interrogative forms when referring to obligation. Some grammarians think that "must" is slightly stronger, but for all practical purposes, they mean the same thing:
14
What is the difference between will and would?
will is used for 100% certainty , willingness and polite request . would used for polite request , preferance and repeated action in the past .