| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [is] [vb pp] [prep] [det] | 3554 |
|
| 2 | [vb pp] [prep] [det] stage | 228 |
|
| 3 | [is] [prep] [det] stage | 39 |
|
| 4 | [is] [vb pp] [prep] stage | 5 |
|
