| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [adj] [to-vb] at [det] stage | 13 |
|
| 2 | [be] [adj] [to-vb] at [det] stage | 13 |
|
| 3 | is [adj] [to-vb] at [det] stage | 7 |
|
| 4 | [is] [adj] [to-vb] at [det] stage | 7 |
|
| 5 | [adv] [adj] [to-vb] at [det] stage | 5 |
|
