SN4 ""

No	Pattern	Freq
1	[conj] [pron] have once been [noun]	5
2	[noun] [pron] have once been [noun]	5
3	[pron] have once been [art] [noun]	57
4	[pron] have once been [art] [noun]	57
5	[pron] have once been a [noun]	33
6	[pron] have once been a [noun]	28
7	[pron] have once been the [noun]	24
8	[pron] have once been the [noun]	24
9	[pron] have once been [pos pn] [noun]	9
10	[pron] have once been [pron] [noun]	9
11	[pron] have once been [noun] [noun]	7
12	[pron] have once been [adj] [noun]	6
13	[pron] have once been [noun prp] [noun]	5
14	[pron] have once been his [noun]	5
15	[pron] have once been [adj] [noun]	5
16	[pron] have once been an [noun]	5
17	[pron] have once been his [noun]	5
18	[pron] have once been [noun] [noun]	7
19	[pron] have once been [noun] [prep]	5
20	[pron] have once been [noun] [prep]	5
21	[pron] have once been [noun] [noun prp]	5