| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun prp] [vb past] be [prep] | 460 |
|
| 2 | [noun prp] be busy [prep] | 17 |
|
| 3 | [noun prp] [vb past] be busy | 12 |
|
| 4 | [vb past] be busy [prep] | 10 |
|
