SN4 ""

No	Pattern	Freq
1	not [verb] at the [noun sg]	393
2	not [verb] at the [noun sg]	249
3	not [vb infin] at the [noun sg]	203
4	n't [verb] at the [noun sg]	144
5	not [vb pp] at the [noun sg]	122
6	not [verb] at the time	82
7	not look at the [noun sg]	59
8	not [v-ing] at the [noun sg]	47
9	not [verb] at the moment	43
10	not look at the [noun sg]	32
11	not know at the [noun sg]	30
12	not [verb] at the end	27
13	not know at the [noun sg]	21
14	not [to-vb] at the [noun sg]	18
15	not looking at the [noun sg]	13
16	not get at the [noun sg]	10
17	not realise at the [noun sg]	10
18	not arrive at the [noun sg]	9
19	not arrive at the [noun sg]	8
20	not stop at the [noun sg]	8
21	not known at the [noun sg]	8
22	not realise at the [noun sg]	8
23	not exist at the [noun sg]	7
24	not exist at the [noun sg]	7
25	not stop at the [noun sg]	7
26	not to look at the [noun sg]	7
27	not appear at the [noun sg]	7
28	not work at the [noun sg]	7
29	not [verb] at the outset	6
30	not get at the [noun sg]	6