| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [is] [verb] [conj] [art] | 3235 |
|
| 2 | [is] [vb pp] [conj] [art] | 2700 |
|
| 3 | [be] estimated [conj] [art] | 117 |
|
| 4 | [is] estimated [conj] [art] | 52 |
|
| 5 | [is] estimate [conj] [art] | 52 |
|
