| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [modal v] [be] [conj] | 1380 |
|
| 2 | it [be] estimate [conj] | 351 |
|
| 3 | [modal v] [be] estimate [conj] | 9 |
|
| 4 | it [modal v] [be] estimate | 7 |
|
