SN4 ""

No	Pattern	Freq
31	been say [that]	154
32	been estimate [that]	131
33	been estimated [that]	131
34	been said [that]	127
35	been [noun] [that]	123
36	been [v-ing] [that]	103
37	been find [that]	81
38	been [noun pl] [that]	80
39	been held [that]	79
40	been hold [that]	79
41	been found [that]	78
42	been assume [that]	65
43	been assumed [that]	62
44	been claim [that]	55
45	been claimed [that]	53
46	been noted [that]	45
47	been note [that]	45
48	been establish [that]	44
49	been informed [that]	43
50	been inform [that]	43
51	been established [that]	43
52	been reported [that]	42
53	been report [that]	42
54	been [to-vb] [that]	41
55	been recognise [that]	40
56	been [noun sg] [that]	39
57	been aware [that]	38
58	been recognised [that]	38
59	been aware [that]	38
60	been make [that]	38