I found that many of my students get confused with the grammar rules for the usage for "Have to, Must, Mustn’t, Don’t Have To, Needn’t Have, Didn’t Need To" so I put together a simplified version, intended as a handout. Exercises are plenty but when it comes to the grammar rules, the students usually give up. I tried to keep it as simple as possible.

grammar-rules-simplified-have-to-must-mustnt-dont--grammar-guides_90366.docx

Grammar Rules Simplified - Have to, Must, Mustn’t, Don’t Have To, Needn’t Have, Didn’t Need To

grammar-rules-simplified-have-to-must-mustnt-dont-have-to-neednt-have-didnt-need-to

Let's do English ESL grammar guide. I found that many of my students get confused with the grammar rules for the usage for "Have to, Must, Mustn’t, Don’t Have T…