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