Should: it implies something that needs to be done, but may not have been done yet. Example: Johny should do the dishes, but he's still watching tv! Must: it implies there is no other way. i.e harus Example: Johny must do the dishes (END) Could/Can: same meaning, one is past tense, the other pr
anyway TS, "Why my English sucks?" not 'Why my english is sucks?" :) Nah, you're wrong, just as the TS is. if you insist on using improper terms, like 'suck', than at least make it proper. "why does my English suck?"