| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] difficult it be [prep] | 35 |
|
| 2 | [adv] difficult it be [prep] | 35 |
|
| 3 | [Wh adv] difficult it be [prep] | 31 |
|
| 4 | how difficult it be [prep] | 31 |
|
| 5 | how difficult it be [prep] | 31 |
|
| 6 | [adv] difficult it be for | 29 |
|
| 7 | [adv] difficult it be for | 29 |
|
| 8 | [adv] difficult it is [prep] | 24 |
|
| 9 | [adv] difficult it was [prep] | 11 |
|
