SN4 ""

No	Pattern	Freq
1	[noun] but it is [adv] [adv]	22
2	[noun sg] but it is [adv] [adv]	16
3	[adj] but it is [adv] [adv]	12
4	[adj] but it is [adv] [adv]	11
5	[noun pl] but it is [adv] [adv]	5
6	[verb] but it is [adv] [adv]	5
7	but [adv] it is [adv] [adv]	7
8	but [adv] it is [adv] [adv]	7
9	but [conj] it is [adv] [adv]	6
10	but it is [adv] [adv] [adv]	37
11	but it is [adv] [adv] [adv]	20
12	but it is not [adv] [adv]	17
13	but it is [not/n't] [adv] [adv]	17
14	but it is not [adv] [adv]	15
15	but it is [verb] [adv] [adv]	8
16	but it is [vb pp] [adv] [adv]	6
17	but it is [adv] [adv] [adv]	24
18	but it is [adv] [art] [adv]	23
19	but it is [adv] [art] [adv]	23
20	but it is [adv] [adj] [adv]	23
21	but it is [adv] [adj] [adv]	20
22	but it is [adv] [adv] [adv]	20
23	but it is [adv] [verb] [adv]	17
24	but it is [adv] a [adv]	15
25	but it is [adv] a [adv]	14
26	but it is [adv] [vb pp] [adv]	12
27	but it is [adv] the [adv]	8
28	but it is [adv] the [adv]	8
29	but it is [adv] [adv] [adj]	137
30	but it is [adv] [adv] [adj]	127