SN4 ""

No	Pattern	Freq
1	although it is [adv]	421
2	although it is [adj]	339
3	although it is [adj]	323
4	although it is [adv]	271
5	although it is not	149
6	although it is [not/n't]	149
7	although it is not	143
8	although it is [verb]	112
9	although it is [vb pp]	101
10	although it is [art]	96
11	although it is [art]	96
12	although it is a	59
13	although it is possible	54
14	although it is possible	54
15	although it is a	45
16	although it is [prep]	35
17	although it is [prep]	35
18	although it is difficult	34
19	although it is difficult	34
20	although it is the	31
21	although it is the	31
22	although it is true	28
23	although it is true	28
24	although it is still	21
25	although it is still	21
26	although it is now	18
27	although it is now	18
28	although it is clear	15
29	although it is likely	15
30	although it is clear	15