| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it is [prep] [pron] | 601 |
|
| 2 | but it is [prep] | 315 |
|
| 3 | but it is [pron] | 144 |
|
| 4 | but is [prep] [pron] | 13 |
|
