| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it be [adj] [prep] this stage | 22 |
|
| 2 | it be [adj] at this stage | 22 |
|
| 3 | it be [adj] [prep] this stage | 22 |
|
| 4 | it is [adj] [prep] this stage | 20 |
|
