SN4 ""

No	Pattern	Freq
1	although it [is] [adv]	491
2	although it [is] [adj]	378
3	although it [is] [adj]	353
4	although it [is] [adv]	314
5	although it [is] not	175
6	although it [is] [not/n't]	175
7	although it [is] not	169
8	although it [is] [art]	126
9	although it [is] [art]	126
10	although it [is] [verb]	126
11	although it [is] [vb pp]	109
12	although it [is] a	84
13	although it [is] a	69
14	although it [is] possible	54
15	although it [is] possible	54
16	although it [is] [prep]	43
17	although it [is] [prep]	43
18	although it [is] difficult	36
19	although it [is] difficult	36
20	although it [is] the	34
21	although it [is] the	34
22	although it [is] true	30
23	although it [is] true	30
24	although it [is] still	24
25	although it [is] still	24
26	although it [is] very	20
27	although it [is] very	20
28	although it [is] now	18
29	although it [is] now	18
30	although it [is] clear	16