| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] how difficult it is | 38 |
|
| 2 | [vb base] how difficult it is | 14 |
|
| 3 | know how difficult it is | 10 |
|
| 4 | [prep] how difficult it is | 9 |
|
| 5 | [prep] how difficult it is | 9 |
|
| 6 | know how difficult it is | 9 |
|
| 7 | [adv] how difficult it is | 6 |
|
| 8 | [conj] how difficult it is | 5 |
|
| 9 | [vb pp] how difficult it is | 5 |
|
| 10 | [coord] how difficult it is | 5 |
|
| 11 | and how difficult it is | 5 |
|
| 12 | [adj] how difficult it is | 5 |
|
| 13 | [vb -s] how difficult it is | 5 |
|
| 14 | [adj] how difficult it is | 5 |
|
| 15 | and how difficult it is | 5 |
|
| 16 | how difficult it is [verb] | 44 |
|
| 17 | how difficult it is [to-vb] | 39 |
|
| 18 | how difficult it is [prep] | 21 |
|
| 19 | how difficult it is [prep] | 21 |
|
| 20 | how difficult it is for | 17 |
|
| 21 | how difficult it is for | 17 |
|
| 22 | how difficult it is to get | 10 |
|
| 23 | how difficult it is get | 10 |
|
| 24 | how difficult it is [v-ing] | 5 |
|
| 25 | how difficult it is [adv] | 5 |
|
| 26 | how difficult it is [adv] | 5 |
|
