She didn't have to attend the presentation.We don't have to work overtime on Saturdays.The negative form of 'have to' expresses the idea that something is not required. John must explain this if he wants his students to succeed.ĭon't Have to Do-Not Required, but Possible.I must finish this work before I leave.This form is used only in the present and future. Use 'must' to express something that you or a person feels is necessary. NOTE: 'have to' is conjugated as a regular verb and therefore requires an auxiliary verb in the question form or negative. Use 'have to' in the past, present, and future to express responsibility or necessity. Listed below are explanations, examples, and uses of must / have to / need to / and mustn't / not have to / don't need to Have to Do-Responsibilities You don't need to go shopping as I've already gone.Children mustn't be left alone in a car.She doesn't have to get up early on Saturdays.'Mustn't' is used to express that something is prohibited. 'Don't need to' also expresses that a particular action is not necessary. 'Don't have to' is used to express that something is not required. 'Don't have to,' 'don't need to' and 'mustn't' have very different meanings. However, 'must' is generally used for strong personal obligations and 'have to' is used for responsibilities at work and in everyday life. Sometimes, 'must' and 'have to' can be used to speak about responsibilities. They need to study more if they want to get good grades.She has to work with clients from all over the world.I'm having some trouble understanding this.Use must, mustn't, have to + one verb from the list.'Must,' 'have to,' and 'need to' in the positive or question form are used to speak about responsibilities, obligations and important actions. It was necessary for me to go to the bank yesterday because I was short of money. Had to is the past form of must and have to. I had to go to the bank yesterday because I was short of money.

It is not necessary to shout because I can hear you. Have to is used to talk about obligations that come from outside. Must is used mostly to talk about the feelings and wishes of the speaker and the listener. Must and have to express necessity (obligation). It is necessary for all applicants to fill the form. > Double-click on words you don't understand > Similar tests: - Modal : may/might - Placement test 1 - Modal can (video) - Which modal and when? - Modal verb : must / have to - Modal : can/could - Must / Have to - Modal verbs > Other English exercises on the same topic: Modals Learn English > English lessons and exercises > English test #67368: Modal verb : must/ have to

Modal verbs must need exercises