SN4 ""

No	Pattern	Freq
1	although it [is] [adv] [verb]	94
2	although it [is] [adv] [verb]	94
3	although it is [adv] [verb]	89
4	although it [is] [adv] [vb pp]	83
5	although it [is] [adv] [verb]	67
6	although it [is] not [verb]	27
7	although it [is] [not/n't] [verb]	27
8	although it [is] not [verb]	27
9	although it [is] [adv] know	11
10	although it [is] [adv] known	11
11	although it [is] [adv] [v-ing]	8
12	although it [is] now [verb]	8
13	although it [is] now [verb]	8
14	although it [is] often [verb]	7
15	although it [is] often [verb]	7
16	although it [is] sometimes [verb]	6
17	although it [is] generally [verb]	6
18	although it [is] sometimes [verb]	6
19	although it [is] generally [verb]	6
20	although it [is] widely [verb]	5
21	although it 's [adv] [verb]	5
22	although it [is] widely [verb]	5