| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun prp] [vb past] [adv prt] at the | 335 |
|
| 2 | [vb past] [adv prt] at the ceiling | 23 |
|
| 3 | [noun prp] [vb past] at the ceiling | 6 |
|
