| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [vb past] [pos pn] [noun] | 1027 |
|
| 2 | but [vb past] [pos pn] [noun] | 307 |
|
| 3 | but it [vb past] [noun] | 95 |
|
| 4 | but it [vb past] [pos pn] | 50 |
|
