SN4 ""

No	Pattern	Freq
1	[conj] once [art] [noun sg] is	58
2	[noun] once [art] [noun sg] is	56
3	[noun sg] once [art] [noun sg] is	43
4	[coord] once [art] [noun sg] is	34
5	[verb] once [art] [noun sg] is	29
6	but once [art] [noun sg] is	22
7	but once [art] [noun sg] is	22
8	that once [art] [noun sg] is	16
9	[that] once [art] [noun sg] is	16
10	that once [art] [noun sg] is	16
11	[adv] once [art] [noun sg] is	15
12	and once [art] [noun sg] is	12
13	and once [art] [noun sg] is	12
14	[vb pp] once [art] [noun sg] is	11
15	[noun pl] once [art] [noun sg] is	11
16	[adj] once [art] [noun sg] is	11
17	[adv] once [art] [noun sg] is	10
18	[subord] once [art] [noun sg] is	8
19	[v-ing] once [art] [noun sg] is	6
20	[adj] once [art] [noun sg] is	5
21	[vb -s] once [art] [noun sg] is	5
22	once [art] [adj] [noun sg] is	68
23	once [art] [adj] [noun sg] is	62
24	once [art] [noun] [noun sg] is	31
25	once [art] [noun sg] [noun sg] is	28
26	once [art] valid [noun sg] is	6
27	once [art] new [noun sg] is	6
28	once [art] [num ord] [noun sg] is	6
29	once [art] valid [noun sg] is	6
30	once [art] new [noun sg] is	6