| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [was/were] [verb] [prep] [be] [num] | 131 |
|
| 2 | [be] estimate [prep] [be] [num] | 29 |
|
| 3 | [was/were] estimate [prep] [be] [adj] | 27 |
|
| 4 | [was/were] estimate [prep] [be] [num] | 16 |
|
