| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [vb pp] [adv] at an [adj] | 15 |
|
| 2 | [be] [vb pp] [adv] at an [adj] | 15 |
|
| 3 | [be] [vb pp] [adv] at an [adj] | 6 |
|
| 4 | be [vb pp] [adv] at an [adj] | 6 |
|
| 5 | [was/were] [vb pp] [adv] at an [adj] | 5 |
|
| 6 | [vb pp] [adv] at an [adj] [noun] | 23 |
|
| 7 | [vb pp] [adv] at an [adj] [noun sg] | 21 |
|
| 8 | [vb pp] [adv] at an [adj] stage | 8 |
|
| 9 | [vb pp] [adv] at an [adj] stage | 8 |
|
