| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] estimated [that] [art] [noun] | 78 |
|
| 2 | [be] estimated [that] [art] average | 6 |
|
| 3 | estimated [that] [art] average [noun] | 5 |
|
| 4 | [be] [that] [art] average [noun] | 5 |
|
