I could guarantee you that your son would score more this time.Īs far the first sentence, it's got can and will and so it can come across what they both mean. I could guarantee you that your son will score more this time.Ĥ. I can guarantee you that your son would score more this time.ģ. I can guarantee you that your son will score more this time.Ģ. You couldn't make any noise in the library.
We use had to (positive) and couldn't (negative) if we are talking about the past: You mustn't make any noise in the library. We use mustn't for prohibitions – to say that it is necessary to not do something: You can wear what you like, but you must look neat and tidy. We use must or need to to say that it is necessary to do something:Įveryone needs to bring something to eat.
ReorderingHorizontal_MTYzNjM= Suggestions 2 We also use could to make positive suggestions:ĭan would help you if you asked him.
We use should and shouldn't to make suggestions and give advice: