SN4 ""

No	Pattern	Freq
1	[vb mod] [not/n't] have been [noun sg]	19
2	[modal v] [not/n't] have been [noun sg]	19
3	would [not/n't] have been [noun sg]	7
4	would [not/n't] have been [noun sg]	7
5	[not/n't] have been [art] [noun sg]	95
6	[not/n't] have been [art] [noun sg]	95
7	[not/n't] have been a [noun sg]	65
8	[not/n't] have been a [noun sg]	56
9	[not/n't] have been [adj] [noun sg]	36
10	[not/n't] have been the [noun sg]	30
11	[not/n't] have been the [noun sg]	30
12	[not/n't] have been [det] [noun sg]	29
13	[not/n't] have been [prep] [noun sg]	14
14	[not/n't] have been any [noun sg]	14
15	[not/n't] have been any [noun sg]	14
16	[not/n't] have been [prep] [noun sg]	14
17	[not/n't] have been [pos pn] [noun sg]	11
18	[not/n't] have been [pron] [noun sg]	11
19	[not/n't] have been an [noun sg]	9
20	[not/n't] have been much [noun sg]	8
21	[not/n't] have been much [noun sg]	8
22	[not/n't] have been [verb] [noun sg]	8
23	[not/n't] have been in [noun sg]	7
24	[not/n't] have been [adj] [noun sg]	7
25	[not/n't] have been in [noun sg]	7
26	[not/n't] have been [v-ing] [noun sg]	6
27	[not/n't] have been [noun sg] [prep]	11
28	[not/n't] have been [noun sg] [prep]	11
29	[not/n't] have been [noun sg] of	8
30	[not/n't] have been [noun sg] of	8