SN4 ""

No	Pattern	Freq
1	[Wh det] have been [verb] to	341
2	[Wh det] have be [vb pp] to	323
3	which have be [verb] to	289
4	[Wh det] had be [verb] to	145
5	[Wh det] has be [verb] to	119
6	[Wh det] have be [verb] to	63
7	what have be [verb] to	51
8	[Wh det] have be [v-ing] to	18
9	[Wh det] have be give to	16
10	[Wh det] have be given to	16
11	[Wh det] have be done to	16
12	[Wh det] have be do to	16
13	[Wh det] have be show to	16
14	[Wh det] have be shown to	16
15	[Wh det] have be sent to	15
16	[Wh det] have be send to	15
17	[Wh det] have be refer to	14
18	[Wh det] have be happen to	14
19	[Wh det] have be happening to	14
20	[Wh det] have be referred to	14
21	[Wh det] 's be [verb] to	13
22	[Wh det] have be transfer to	8
23	[Wh det] have be converted to	8
24	[Wh det] have be convert to	8
25	[Wh det] have be transferred to	8
26	[Wh det] have be subjected to	7
27	[Wh det] have be subject to	7
28	[Wh det] have be find to	7
29	[Wh det] have be found to	7
30	[Wh det] have be entrusted to	6