| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | although it [vb past] [verb] a | 9 |
|
| 2 | although it [vb past] [verb] a | 9 |
|
| 3 | although it did [verb] a | 8 |
|
| 4 | although it [vb past] [vb infin] a | 8 |
|
