| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] [pron] is [adv] difficult [verb] | 170 |
|
| 2 | [subord] [pron] is [adv] difficult [verb] | 42 |
|
| 3 | since [pron] is [adv] [adj] [verb] | 32 |
|
| 4 | since [pron] is [adv] [adj] [verb] | 29 |
|
| 5 | since [pron] be [adv] difficult [verb] | 5 |
|
| 6 | since [pron] [be] [adv] difficult [verb] | 5 |
|
| 7 | since [pron] is [adv] difficult [verb] | 5 |
|
| 8 | since [pron] [is] [adv] difficult [verb] | 5 |
|
| 9 | since [pron] is [adv] difficult [verb] | 5 |
|
