| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [modal v] be seen that [noun sg] | 13 |
|
| 2 | it [vb mod] be seen that [noun sg] | 13 |
|
| 3 | it can be seen that [noun sg] | 12 |
|
| 4 | it can be seen that [noun sg] | 12 |
|
