| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [is] [adv] difficult to see | 69 |
|
| 2 | it [is] [adv] difficult to see | 69 |
|
| 3 | it is [adv] difficult to see | 56 |
|
| 4 | it [is] not difficult to see | 42 |
|
| 5 | it [is] [not/n't] difficult to see | 42 |
|
| 6 | it [is] not difficult to see | 41 |
|
| 7 | it [is] [adv] difficult to see | 27 |
|
| 8 | it [is] very difficult to see | 14 |
|
| 9 | it [is] very difficult to see | 14 |
|
| 10 | it 's [adv] difficult to see | 13 |
|
