SN4 ""

No	Pattern	Freq
1	[conj] [pers pn] had done	654
2	[subord] [pers pn] had done	459
3	[pron] [pers pn] had done	312
4	[Wh det] [pers pn] had done	269
5	what [pers pn] had done	258
6	what [pers pn] had done	258
7	as [pers pn] had done	247
8	as [pers pn] had done	247
9	[that] [pers pn] had done	138
10	that [pers pn] had done	138
11	that [pers pn] had done	138
12	[noun] [pers pn] had done	117
13	[verb] [pers pn] had done	110
14	[noun sg] [pers pn] had done	87
15	if [pers pn] had done	65
16	if [pers pn] had done	65
17	[vb past] [pers pn] had done	64
18	[adj] [pers pn] had done	60
19	[coord] [pers pn] had done	57
20	than [pers pn] had done	55
21	than [pers pn] had done	55
22	[adv] [pers pn] had done	51
23	[det] [pers pn] had done	48
24	all [pers pn] had done	39
25	all [pers pn] had done	39
26	and [pers pn] had done	33
27	and [pers pn] had done	33
28	[adv] [pers pn] had done	33
29	when [pers pn] had done	32
30	[indef pn] [pers pn] had done	32