| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | because it is [adj] | 438 |
|
| 2 | [conj] it is hard | 188 |
|
| 3 | [subord] it is hard | 52 |
|
| 4 | because it be hard | 13 |
|
| 5 | because it [be] hard | 13 |
|
| 6 | because it [is] hard | 11 |
|
| 7 | because [pron] is hard | 7 |
|
| 8 | because it is hard | 7 |
|
