SN4 ""

No	Pattern	Freq
1	[pron] once [vb past] to	66
2	[pers pn] once [vb past] to	43
3	[noun] once [vb past] to	31
4	i once [vb past] to	19
5	i once [vb past] to	19
6	[noun prp] once [vb past] to	15
7	[noun sg] once [vb past] to	13
8	he once [vb past] to	12
9	he once [vb past] to	12
10	[Wh det] once [vb past] to	10
11	[prep] once [vb past] to	10
12	which once [vb past] to	10
13	which once [vb past] to	10
14	[prep] once [vb past] to	10
15	at once [vb past] to	10
16	at once [vb past] to	10
17	[Wh pn] once [vb past] to	9
18	who once [vb past] to	9
19	who once [vb past] to	9
20	[conj] once [vb past] to	9
21	[adv] once [vb past] to	8
22	that once [vb past] to	8
23	[adv] once [vb past] to	8
24	[that] once [vb past] to	8
25	that once [vb past] to	8
26	never once [vb past] to	6
27	never once [vb past] to	6
28	it once [vb past] to	5
29	it once [vb past] to	5
30	once [pron] [vb past] to	12