SN4 ""

No	Pattern	Freq
1	not [verb] at the [noun sg]	393
2	not [verb] at the [noun]	292
3	not [vb infin] at the [noun]	232
4	n't [verb] at the [noun]	156
5	not [vb pp] at the [noun]	136
6	not look at the [noun]	84
7	not [verb] at the time	82
8	not [verb] at the time	82
9	not [v-ing] at the [noun]	54
10	not look at the [noun]	49
11	not [verb] at the [noun pl]	46
12	not [verb] at the moment	43
13	not [verb] at the moment	43
14	not know at the [noun]	30
15	not [verb] at the end	27
16	not [verb] at the end	27
17	not [to-vb] at the [noun]	22
18	not know at the [noun]	21
19	not looking at the [noun]	16
20	not get at the [noun]	13
21	not looked at the [noun]	10
22	not stop at the [noun]	10
23	not realise at the [noun]	10
24	not arrive at the [noun]	10
25	not arrive at the [noun]	9
26	not realise at the [noun]	8
27	not stop at the [noun]	8
28	not to look at the [noun]	8
29	not known at the [noun]	8
30	not [verb] at the [noun prp]	8