SN4 ""

No	Pattern	Freq
1	[conj] [det] have been [vb pp]	494
2	[conj] [det] has been [verb]	261
3	[coord] [det] have been [verb]	252
4	[conj] this have been [verb]	240
5	[subord] [det] have been [verb]	203
6	and [det] have been [verb]	163
7	and [det] have been [verb]	163
8	[conj] [det] had been [verb]	131
9	[conj] [det] have been [verb]	111
10	but [det] have been [verb]	82
11	but [det] have been [verb]	82
12	[conj] that have been [verb]	76
13	that [det] have been [verb]	71
14	[that] [det] have been [verb]	71
15	that [det] have been [verb]	71
16	[conj] these have been [verb]	51
17	[conj] [det] have been do	48
18	[conj] [det] have been done	47
19	once [det] have been [verb]	35
20	once [det] have been [verb]	35
21	if [det] have been [verb]	31
22	if [det] have been [verb]	31
23	although [det] have been [verb]	31
24	although [det] have been [verb]	31
25	[conj] [det] have been [v-ing]	29
26	when [det] have been [verb]	27
27	when [det] have been [verb]	27
28	[conj] some have been [verb]	27
29	[conj] all have been [verb]	25
30	[conj] [det] have been achieve	25