SN4 ""

No	Pattern	Freq
1	[noun] that have been [vb pp]	2419
2	[noun sg] that have been [vb pp]	1260
3	[noun pl] that have been [vb pp]	1104
4	[noun] that have been [vb pp]	860
5	[noun] that had been [vb pp]	723
6	[noun] that has been [vb pp]	683
7	[noun] that have been made	217
8	[noun] that 's been [vb pp]	148
9	[noun] that have been done	76
10	[noun] that have been used	71
11	[noun] that have been put	51
12	work that have been [vb pp]	44
13	work that have been [vb pp]	44
14	[noun] that have been developed	40
15	[noun] that have been given	40
16	[noun] that have been set	39
17	[noun] that have been taken	38
18	thing that have been [vb pp]	34
19	[noun] that have been raised	32
20	point that have been [vb pp]	29
21	[noun] that have been left	28
22	[n mass] that have been [vb pp]	27
23	things that have been [vb pp]	27
24	[noun prp] that have been [vb pp]	27
25	[noun] that have been built	26
26	[noun] that have been created	24
27	[noun] that have been written	23
28	[noun] that have been found	22
29	[noun] that have been established	22
30	points that have been [vb pp]	22