| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | although this is [vb pp] [prep] | 18 |
|
| 2 | although this was [vb pp] [prep] | 13 |
|
| 3 | although this be [vb pp] by | 10 |
|
| 4 | although this be [vb pp] to | 6 |
|
