| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [was/were] at [adj] | 1183 |
|
| 2 | estimate at [adj] | 156 |
|
| 3 | [was/were] estimate at | 133 |
|
| 4 | [was/were] estimate [adj] | 6 |
|
