| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [verb] [prep] [be] | 4842 |
|
| 2 | is [vb pp] [prep] [be] | 3592 |
|
| 3 | be estimated [prep] [be] | 128 |
|
| 4 | [be] estimated [prep] [be] | 128 |
|
| 5 | [is] estimated [prep] [be] | 45 |
|
| 6 | is estimated [prep] [be] | 43 |
|
| 7 | is estimate [prep] [be] | 43 |
|
