| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb mod] be [adv] difficult | 435 |
|
| 2 | [modal v] be [adv] difficult | 435 |
|
| 3 | would be [adv] difficult | 133 |
|
| 4 | would be [adv] difficult | 132 |
|
| 5 | can be [adv] difficult | 107 |
|
| 6 | can be [adv] difficult | 107 |
|
| 7 | [prep] be [adv] difficult | 99 |
|
| 8 | to be [adv] difficult | 96 |
|
| 9 | to be [adv] difficult | 96 |
|
| 10 | [prep] be [adv] difficult | 96 |
|
| 11 | [adv] be [adv] difficult | 90 |
|
| 12 | will be [adv] difficult | 86 |
|
| 13 | will be [adv] difficult | 80 |
|
| 14 | may be [adv] difficult | 68 |
|
| 15 | may be [adv] difficult | 68 |
|
| 16 | [not/n't] be [adv] difficult | 62 |
|
| 17 | not be [adv] difficult | 62 |
|
| 18 | not be [adv] difficult | 35 |
|
| 19 | [adv] be [adv] difficult | 28 |
|
| 20 | n't be [adv] difficult | 27 |
|
| 21 | must be [adv] difficult | 14 |
|
| 22 | must be [adv] difficult | 14 |
|
| 23 | might be [adv] difficult | 11 |
|
| 24 | might be [adv] difficult | 11 |
|
| 25 | could be [adv] difficult | 8 |
|
| 26 | should be [adv] difficult | 8 |
|
| 27 | could be [adv] difficult | 8 |
|
| 28 | should be [adv] difficult | 8 |
|
| 29 | 'll be [adv] difficult | 6 |
|
| 30 | be [art] [adv] difficult | 70 |
|
