| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] difficult it [is] | 106 |
|
| 2 | [adv] difficult it is | 104 |
|
| 3 | [Wh adv] difficult it [is] | 80 |
|
| 4 | how difficult it [is] | 78 |
|
| 5 | how difficult it [is] | 78 |
|
| 6 | [adv] difficult it [is] | 25 |
|
| 7 | more difficult it [is] | 23 |
|
| 8 | more difficult it [is] | 23 |
|
