SN4 ""

No	Pattern	Freq
31	though not [adv] [adj]	133
32	though not [adv] [adj]	133
33	am not [adv] [adj]	132
34	[vb past] not [adv] [adj]	121
35	[pers pn] not [adv] [adj]	115
36	[vb -s] not [adv] [adj]	114
37	[adj] not [adv] [adj]	113
38	[prep] not [adv] [adj]	109
39	[prep] not [adv] [adj]	109
40	[vb base] not [adv] [adj]	106
41	[vb pp] not [adv] [adj]	102
42	although not [adv] [adj]	93
43	although not [adv] [adj]	93
44	perhaps not [adv] [adj]	87
45	perhaps not [adv] [adj]	87
46	the not [adv] [adj]	81
47	the not [adv] [adj]	81
48	a not [adv] [adj]	79
49	a not [adv] [adj]	79
50	still not [adv] [adj]	64
51	still not [adv] [adj]	64
52	probably not [adv] [adj]	63
53	probably not [adv] [adj]	63
54	be not [adv] [adj]	58
55	[v-ing] not [adv] [adj]	58
56	[be] not [adv] [adj]	58
57	[no cls] not [adv] [adj]	56
58	[unc] not [adv] [adj]	56
59	[det] not [adv] [adj]	53
60	[vb infin] not [adv] [adj]	52