| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it is at [det] stage | 30 |
|
| 2 | it is [prep] [det] stage | 30 |
|
| 3 | it is at [det] stage | 30 |
|
| 4 | it is [prep] [det] stage | 28 |
|
| 5 | it is [prep] this stage | 27 |
|
