| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | had be [verb] at | 699 |
|
| 2 | had be work [prep] | 163 |
|
| 3 | had be work [prep] | 163 |
|
| 4 | [verb] be work at | 45 |
|
| 5 | have be work at | 45 |
|
| 6 | [vb past] be work at | 21 |
|
| 7 | had be work at | 19 |
|
| 8 | had [be] work at | 19 |
|
