| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | had be [verb] at | 699 |
|
| 2 | [verb] be estimate at | 31 |
|
| 3 | have be estimate at | 29 |
|
| 4 | had be estimate [prep] | 7 |
|
| 5 | had be estimate [prep] | 7 |
|
| 6 | had [be] estimate at | 5 |
|
| 7 | had be estimate at | 5 |
|
| 8 | [vb past] be estimate at | 5 |
|
