先把下列句子变成一般疑问句，然后变成否定句。1.Theycanplaybasketballafterschool.2.Tonyknowswhattodo.3.Theboywalksfast.4.Thegirlsareplaying.5.Sheiseatingsomegrapes.6.Ilikehispictures.对划线部分提问：1.Theboyinthebluejacketiswaitingforhisfriendatthesecondcrossing.2.Theboyinthebluejacketiswaitingforhisfriendatthesecondcrossing.3.Theboyinthebluejacketiswaitingforhisfriendatthesecondcrossing.4.Theboyinthebluejacketiswaitingforhisfriendatthesecondcrossing.5.Theboyinthebluejacketiswaitingforhisfriendatthesecondcrossing.6.Theboyinthebluejacketiswaitingforhisfriendatthesecondcrossing.7.Theboyinthebluejacketiswaitingforhisfriendatthesecondcrossing.
