SN4 ""

No	Pattern	Freq
1	[pron] had done	1684
2	[pers pn] had done	1542
3	[noun] had done	954
4	he had done	595
5	he had done	595
6	[noun prp] had done	418
7	she had done	340
8	she had done	338
9	[noun sg] had done	338
10	they had done	233
11	they had done	228
12	[noun pl] had done	185
13	i had done	171
14	i had done	171
15	it had done	114
16	it had done	114
17	[Wh pn] had done	96
18	who had done	90
19	who had done	90
20	[conj] had done	69
21	we had done	58
22	we had done	57
23	[coord] had done	49
24	[adj] had done	42
25	and had done	40
26	and had done	40
27	[adv] had done	37
28	[adv] had done	35
29	you had done	28
30	you had done	28