SN4 ""

No	Pattern	Freq
1	[verb] [adv] [adv] is	219
2	[noun] [adv] [adv] is	197
3	[noun sg] [adv] [adv] is	155
4	[conj] [adv] [adv] is	151
5	[coord] [adv] [adv] is	127
6	[adv] [adv] [adv] is	120
7	[pron] [adv] [adv] is	87
8	and [adv] [adv] is	86
9	and [adv] [adv] is	86
10	[vb pp] [adv] [adv] is	71
11	[adv] [adv] [adv] is	65
12	[pers pn] [adv] [adv] is	65
13	[adj] [adv] [adv] is	45
14	[v-ing] [adv] [adv] is	43
15	it [adv] [adv] is	42
16	it [adv] [adv] is	42
17	but [adv] [adv] is	36
18	but [adv] [adv] is	36
19	[vb base] [adv] [adv] is	36
20	[prep] [adv] [adv] is	34
21	[prep] [adv] [adv] is	34
22	be [adv] [adv] is	27
23	[be] [adv] [adv] is	27
24	[adj] [adv] [adv] is	26
25	do [adv] [adv] is	26
26	[noun pl] [adv] [adv] is	26
27	[adv prt] [adv] [adv] is	25
28	not [adv] [adv] is	22
29	[not/n't] [adv] [adv] is	22
30	[to-vb] [adv] [adv] is	21