考点〕have＋宾语＋宾语补足语。
have sth to do：有什么事要做
〔透视〕①have sb．／sth．do sth．与have sb．／sth．doing sth．两者都是宾语发出的主动动作。前者指 “使某人／物做某事（指一次性的具体的动作）”；后者指“使某人／物一直处于某种状态”，常接一段时间作状语。②have sth．done这一结构中的宾语与宾补动词是被动关系。③have sth． to do这一结构中的have意为“有”，即“有某事要做”。解题时要注意这四个结构的形式变化，如对宾语提问、被动结构等。
〔精练〕用括号内所给动词的适当形式填空。
6． a computer does only what thinking people have it ＿＿＿＿(do)．
7． who did you have＿＿＿＿(paint) the wall yesterday？
8． i'm sorry i can't help you because i have a lot of letters＿＿＿＿＿(answer)．
9． the villagers are going to have a new bridge ＿＿＿＿＿(build) over the river．
10．who had the candle＿＿＿＿＿＿(burn) throughout the whole night？
11．what have they had＿＿＿＿＿＿(do) to stop the pollution from the chemical works？
参考资料：知道