SN4 ""

No	Pattern	Freq
1	[noun] [verb] at once	222
2	[noun] [vb past] [prep] once	165
3	[noun prp] [verb] [prep] once	99
4	[noun sg] [verb] [prep] once	88
5	[noun pl] [verb] [prep] once	45
6	[noun] [vb -s] [prep] once	26
7	[noun] say [prep] once	24
8	[noun] said [prep] once	24
9	[noun] know [prep] once	18
10	[noun] knew [prep] once	15
11	[noun] [to-vb] [prep] once	13
12	[noun] see [prep] once	12
13	[noun] [v-ing] [prep] once	12
14	[noun] saw [prep] once	11
15	[noun] [vb base] [prep] once	11
16	[noun] come [prep] once	8
17	[noun] go [prep] once	8
18	[noun] [verb] for once	8
19	[noun] have [prep] once	8
20	[noun] begin [prep] once	7
21	[noun] came [prep] once	6
22	eye [verb] [prep] once	6
23	[noun] had [prep] once	6
24	eyes [verb] [prep] once	6
25	[noun] fell [prep] once	5
26	[noun] fall [prep] once	5
27	[noun] began [prep] once	5
28	[noun] turn [prep] once	5