| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [was/were] estimate [prep] [adj] | 68 |
|
| 2 | [was/were] [prep] about [adj] | 16 |
|
| 3 | estimate [prep] about [adj] | 10 |
|
| 4 | [was/were] estimate [prep] about | 9 |
|
