| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] [is] [vb pp] at [det] stage | 8 |
|
| 2 | [noun sg] [is] [vb pp] at [det] stage | 8 |
|
| 3 | [is] [adv] [vb pp] at [det] stage | 6 |
|
| 4 | [is] [adv] [vb pp] at [det] stage | 6 |
|
