SN4 ""

No	Pattern	Freq
1	[noun] is n't [pers pn]	1760
2	[noun sg] is n't [pers pn]	1315
3	[adj] is n't [pers pn]	1159
4	[adj] is n't [pers pn]	902
5	[adv] is n't [pers pn]	662
6	[adv] is n't [pers pn]	529
7	[pron] is n't [pers pn]	358
8	[verb] is n't [pers pn]	225
9	[pers pn] is n't [pers pn]	212
10	[noun pl] is n't [pers pn]	210
11	[noun prp] is n't [pers pn]	184
12	it is n't [pers pn]	133
13	it is n't [pers pn]	133
14	[be] is n't [pers pn]	122
15	be is n't [pers pn]	122
16	[is] is n't [pers pn]	115
17	[num] is n't [pers pn]	109
18	though is n't [pers pn]	109
19	though is n't [pers pn]	109
20	[conj] is n't [pers pn]	107
21	[det] is n't [pers pn]	100
22	is is n't [pers pn]	94
23	[indef pn] is n't [pers pn]	88
24	really is n't [pers pn]	84
25	really is n't [pers pn]	84
26	[adv prt] is n't [pers pn]	80
27	[coord] is n't [pers pn]	71
28	nice is n't [pers pn]	65
29	nice is n't [pers pn]	64
30	now is n't [pers pn]	64