SN4 ""

No	Pattern	Freq
1	[noun] had led [prep]	139
2	[pron] had led [prep]	90
3	[noun sg] had led [prep]	83
4	which had led [prep]	73
5	[Wh det] had led [prep]	73
6	which had led [prep]	73
7	[noun pl] had led [prep]	34
8	[adj] had led [prep]	32
9	[conj] had led [prep]	26
10	[det] had led [prep]	21
11	[noun prp] had led [prep]	21
12	[that] had led [prep]	18
13	that had led [prep]	18
14	that had led [prep]	18
15	this had led [prep]	17
16	this had led [prep]	17
17	[num] had led [prep]	11
18	[pers pn] had led [prep]	10
19	[coord] had led [prep]	8
20	and had led [prep]	8
21	and had led [prep]	8
22	who had led [prep]	6
23	who had led [prep]	6
24	[Wh pn] had led [prep]	6
25	had [adv] led [prep]	24
26	had be led [prep]	19
27	had been led [prep]	19
28	had [be] led [prep]	19
29	had [been] led [prep]	19
30	had [adv] led [prep]	17