SN4 ""

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