No matter how hard I try, I can't master the grammatical tenses in indirect speech. No matter how hard I try, I can't remember how to do it. No matter how hard I try, I can't remember the exact words. No matter how hard I try, I can't remember what you said. No matter how hard I try, I can't swim to that rock. No matter how hard I try, I will never be able to catch up with him. No matter how hard it snows, I have to begin my trip. no matter how hard one works No matter how hard she tried, she couldn't please him. No matter how hard the training was, she never cried. No matter how hard you may study English, you cannot master it in a year or so. No matter how hard you may study, you cannot master English in a year or two.