【正文】 _________? He has been skating for 4 hours ,_________________? They haven’ t been to the amusement park ,___________? You have seen the film many times ,_____________? We have to get there at 8:00tomorrow ,_______________? He had to work hard at English last year,____________? There be 結(jié)構(gòu) There is something wrong with your watch,____________? There are many attractions on the board ,__________? There wasn’ t a river around the village, ____________? There were not any buildings here,__________________? There will be a film tonight ,____________________? There will not be any trouble , __________________? There is going to be a meeting tomorrow ,____________? 情態(tài)動(dòng)詞 He can swim very well ,__________________? He can’ t swim very well , ________________?