SN4 ""

No	Pattern	Freq
1	be [prep] once a	22
2	[be] [prep] once a	22
3	[noun] [prep] once a	14
4	[verb] [prep] once a	14
5	[adj] [prep] once a	13
6	[is] [prep] once a	12
7	is [prep] once a	12
8	[noun sg] [prep] once a	11
9	[adv] [prep] once a	11
10	[det] [prep] once a	10
11	all [prep] once a	10
12	all [prep] once a	10
13	[adv] [prep] once a	8
14	almost [prep] once a	6
15	almost [prep] once a	6
16	[was/were] [prep] once a	6
17	[conj] [prep] once a	5
18	was [prep] once a	5
19	[prep] [adv] once a	123
20	[prep] [adv] once a	123
21	[prep] least once a	117
22	[prep] least once a	117
23	[prep] [noun] once a	39
24	[prep] [noun sg] once a	22
25	[prep] [noun prp] once a	13
26	[prep] [pron] once a	9
27	[prep] [pers pn] once a	7
28	[prep] [art] once a	6
29	[prep] [art] once a	6
30	[prep] once [prep] a	55