| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [vb mod] be difficult argue | 11 |
|
| 2 | it [modal v] be difficult argue | 11 |
|
| 3 | it would be difficult argue | 10 |
|
| 4 | it would be difficult argue | 10 |
|
| 5 | it be difficult argue that | 10 |
|
| 6 | it be difficult argue that | 10 |
|
| 7 | it be difficult argue [conj] | 10 |
|
| 8 | it be difficult argue [that] | 10 |
|
