SN4 ""

No	Pattern	Freq
1	had [been] [verb] by	3934
2	had been [verb] by	3934
3	had [been] [vb pp] by	3916
4	had [been] replace by	84
5	had [been] replaced by	83
6	had [been] made by	68
7	had [been] make by	68
8	had [been] cause by	58
9	had [been] caused by	58
10	had [been] kill by	53
11	had [been] killed by	53
12	had [been] approve by	45
13	had [been] approved by	45
14	had [been] take by	41
15	had [been] taken by	41
16	had [been] told by	36
17	had [been] tell by	36
18	had [been] use by	34
19	had [been] used by	34
20	had [been] rejected by	32
21	had [been] reject by	32
22	had [been] destroy by	29
23	had [been] destroyed by	29
24	had [been] prompt by	28
25	had [been] prompted by	28
26	had [been] follow by	27
27	had [been] followed by	27
28	had [been] hit by	26
29	had [been] hit by	26
30	had [been] established by	25