| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun sg] have been estimate at | 13 |
|
| 2 | [noun sg] [verb] been estimated at | 13 |
|
| 3 | [noun sg] has been estimate at | 12 |
|
| 4 | [noun sg] [vb -s] been estimate at | 12 |
|
