SN4 ""

No	Pattern	Freq
1	[noun] but it is [adv] [prep]	7
2	[noun sg] but it is [adv] [prep]	5
3	but [adv] it is [adv] [prep]	6
4	but [adv] it is [adv] [prep]	6
5	but it is [adv] [adv] [prep]	30
6	but it is not [adv] [prep]	21
7	but it is [not/n't] [adv] [prep]	21
8	but it is not [adv] [prep]	18
9	but it is [adv] [adv] [prep]	9
10	but it is [verb] [adv] [prep]	8
11	but it is [vb pp] [adv] [prep]	7
12	but it is [adj] [adv] [prep]	6
13	but it is [adj] [adv] [prep]	6
14	but it is [adv] [adj] [prep]	138
15	but it is [adv] [adj] [prep]	120
16	but it is [adv] [verb] [prep]	81
17	but it is [adv] [vb pp] [prep]	74
18	but it is [adv] [adv] [prep]	16
19	but it is [adv] one [prep]	11
20	but it is [adv] [num] [prep]	11
21	but it is [adv] one [prep]	11
22	but it is [adv] [adv] [prep]	9
23	but it is [adv] use [prep]	7
24	but it is [adv] used [prep]	7
25	but it is [adv] important [prep]	6
26	but it is [adv] [v-ing] [prep]	6
27	but it is [adv] important [prep]	6
28	but it is [adv] likely [prep]	5
29	but it is [adv] likely [prep]	5
30	but it is [adv] [prep] [art]	38