SN4 ""

No	Pattern	Freq
1	[noun] at a [noun sg]	5375
2	[verb] at a [noun sg]	3830
3	[noun sg] at a [noun sg]	3463
4	[noun pl] at a [noun sg]	1480
5	[vb pp] at a [noun sg]	1355
6	[adv] at a [noun sg]	1035
7	[v-ing] at a [noun sg]	848
8	[adv] at a [noun sg]	671
9	[adj] at a [noun sg]	649
10	be at a [noun sg]	618
11	[be] at a [noun sg]	618
12	[vb past] at a [noun sg]	601
13	[pron] at a [noun sg]	492
14	look at a [noun sg]	400
15	[conj] at a [noun sg]	348
16	[adv prt] at a [noun sg]	339
17	[to-vb] at a [noun sg]	314
18	[noun prp] at a [noun sg]	309
19	[adj] at a [noun sg]	279
20	[num] at a [noun sg]	267
21	[vb base] at a [noun sg]	259
22	[was/were] at a [noun sg]	254
23	[coord] at a [noun sg]	249
24	[pers pn] at a [noun sg]	236
25	[vb infin] at a [noun sg]	231
26	[vb -s] at a [noun sg]	222
27	[indef pn] at a [noun sg]	215
28	was at a [noun sg]	203
29	one at a [noun sg]	199
30	one at a [noun sg]	199