SN4 ""

No	Pattern	Freq
1	had been [verb] in the	867
2	had [been] [verb] in the	867
3	had [be] [verb] in the	867
4	had be [verb] in the	867
5	had [adv] [verb] in the	210
6	had [adv] [verb] in the	163
7	had [verb] [verb] in the	106
8	had [vb pp] [verb] in the	102
9	had [not/n't] [verb] in the	47
10	had not [verb] in the	46
11	had not [verb] in the	34
12	had [pron] [verb] in the	28
13	had already [verb] in the	25
14	had already [verb] in the	25
15	had [noun] [verb] in the	22
16	had [adj] [verb] in the	21
17	had [pers pn] [verb] in the	21
18	had [num ord] [verb] in the	18
19	had first [verb] in the	14
20	had first [verb] in the	14
21	had become [verb] in the	13
22	had become [verb] in the	13
23	had n't [verb] in the	12
24	had [noun pl] [verb] in the	11
25	had just [verb] in the	10
26	had once [verb] in the	10
27	had [noun sg] [verb] in the	10
28	had once [verb] in the	10
29	had just [verb] in the	10
30	had never [verb] in the	9