SN4 ""

No	Pattern	Freq
1	[noun] which have once [verb]	30
2	[noun sg] which have once [verb]	20
3	[noun pl] which have once [verb]	7
4	which [pron] have once [verb]	18
5	which [pers pn] have once [verb]	17
6	which she have once [verb]	7
7	which she have once [verb]	7
8	which he have once [verb]	6
9	which he have once [verb]	6
10	which have once be [verb]	11
11	which have once [be] [verb]	11
12	which have once been [verb]	11
13	which have once [been] [verb]	11
14	which have once [verb] [prep]	10
15	which have once [verb] [prep]	10
16	which have once [verb] [art]	9
17	which have once [verb] [art]	9
18	which have once [verb] to	7
19	which have once [verb] to	7
20	which have once [verb] the	6
21	which have once [verb] the	6
22	which have once [verb] [pron]	6
23	which have once [verb] [noun]	6