SN4 ""

No	Pattern	Freq
1	[pron] have once [verb] to	22
2	[noun] have once [verb] to	10
3	[conj] have once [verb] to	9
4	[pers pn] have once [verb] to	9
5	that have once [verb] to	8
6	that have once [verb] to	8
7	[Wh det] have once [verb] to	8
8	[that] have once [verb] to	8
9	[noun prp] have once [verb] to	7
10	which have once [verb] to	7
11	which have once [verb] to	7
12	he have once [verb] to	5
13	he have once [verb] to	5
14	have [adv] once [verb] to	5
15	have once be [verb] to	10
16	have once [be] [verb] to	10
17	have once been [verb] to	10
18	have once [been] [verb] to	10
19	have once [verb] [noun] to	6
20	have once [verb] to [pron]	14
21	have once [verb] to [noun]	12
22	have once [verb] to [noun prp]	10
23	have once [verb] to [pers pn]	9
24	have once [verb] to [art]	8
25	have once [verb] to [art]	8
26	have once [verb] to [be]	5
27	have once [verb] to be	5
28	have once [verb] to [be]	5
29	have once [verb] to [pos pn]	5
30	have once [verb] to the	5