| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] difficult it [be] to get | 13 |
|
| 2 | how difficult it [be] to get | 12 |
|
| 3 | [Wh adv] difficult it [be] to get | 12 |
|
| 4 | how difficult it [be] to get | 12 |
|
| 5 | difficult it [be] to get [art] | 5 |
|
| 6 | difficult it [be] to get [art] | 5 |
|
