| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | then it [modal v] be difficult | 10 |
|
| 2 | then it [vb mod] be difficult | 10 |
|
| 3 | then it will be difficult | 6 |
|
| 4 | then it will be difficult | 5 |
|
| 5 | then it be [adv] difficult | 6 |
|
| 6 | then it be [adv] difficult | 6 |
|
| 7 | then it be difficult [verb] | 12 |
|
| 8 | then it be difficult [to-vb] | 11 |
|
