I must tell you something Devo lhe contar algo Importante Para expressar uma obrigação, um dever ou uma necessidade no futuro e no passado, must e need não são utilizados e devem ser substituídos por have to We must ( need to) buy another ticket Nós devemos (necessitamos) comprar outro ticket We had to buy another ticketMust Have to 1 ใช้ในกรณีที่เป็นความต้องการของเราเอง 1 ใช้ในกรณีที่เป็นสิ่งจำเป็นต้องทำ อาจเป็นกฎหรือข้อบังคับHave to / has to Must not do not have to Must / can quiz Must / mustn't exercises 1 Must / mustn't exercises 2 I have to walk the dog Permission obligation prohibition Don't have to / doesn't have to Modals of necessity must / have to
English Exercises Modal Verbs