| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | although [det] [noun] [be] | 455 |
|
| 2 | although [det] [noun sg] [be] | 227 |
|
| 3 | [conj] [det] book [be] | 68 |
|
| 4 | although [adj] book [be] | 7 |
|
| 5 | although [det] book [be] | 7 |
|
