SN4 ""

No	Pattern	Freq
1	[be] not at the	114
2	be not at the	114
3	[conj] not at the	88
4	[coord] not at the	72
5	[was/were] not at the	56
6	but not at the	46
7	but not at the	46
8	was not at the	38
9	[is] not at the	36
10	[verb] not at the	33
11	is not at the	32
12	[am/are] not at the	21
13	and not at the	20
14	and not at the	20
15	were not at the	18
16	[modal v] not at the	17
17	[vb mod] not at the	17
18	[subord] not at the	16
19	can not at the	15
20	[adv] not at the	15
21	[adv] not at the	13
22	[vb past] not at the	11
23	do not at the	11
24	[noun] not at the	11
25	are not at the	11
26	[vb -s] not at the	9
27	[noun sg] not at the	8
28	can not at the	8
29	if not at the	7
30	ca not at the	7