SN4 ""

No	Pattern	Freq
1	have been [verb] that a	119
2	[verb] been [verb] that a	119
3	[vb -s] been [verb] that a	86
4	has been [verb] that a	80
5	[adv] been [verb] that a	29
6	[adv] been [verb] that a	28
7	had been [verb] that a	25
8	[vb past] been [verb] that a	25
9	's been [verb] that a	6
10	even been [verb] that a	6
11	even been [verb] that a	6
12	[vb base] been [verb] that a	6
13	have been [verb] that a	5
14	been [verb] [adv] that a	7
15	been [verb] [adv] that a	5
16	been [verb] that [conj] a	8
17	been [verb] that [subord] a	8
18	been [verb] that [prep] a	7
19	been [verb] that [prep] a	7
20	been [verb] that if a	6
21	been [verb] that if a	6
22	been [verb] that [det] a	5
23	been [verb] that [adj] a	5
24	been [verb] that [adv] a	5
25	been [verb] that such a	5
26	been [verb] that [adv] a	5
27	been [verb] that such a	5
28	been [verb] that a [noun]	94
29	been [verb] that a [noun sg]	86
30	been [verb] that a [adj]	53