| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] it [is] [adv] known | 117 |
|
| 2 | although it [is] [adv] [verb] | 94 |
|
| 3 | although it [is] [adv] [vb pp] | 83 |
|
| 4 | although [pron] [is] [adv] known | 13 |
|
| 5 | although it [be] [adv] known | 13 |
|
| 6 | although it [is] [adv] know | 11 |
|
