| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] is [verb] at | 176 |
|
| 2 | [conj] be estimate at | 9 |
|
| 3 | [conj] [be] estimate at | 9 |
|
| 4 | [conj] is estimate [prep] | 8 |
|
| 5 | [conj] is estimate [prep] | 8 |
|
| 6 | [conj] is estimate at | 7 |
|
| 7 | [conj] [is] estimate at | 7 |
|
