| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | problem [adv] is [that] [pron] | 6 |
|
| 2 | problem [adv] be [that] [pron] | 6 |
|
| 3 | problem [adv] [is] [that] [pron] | 6 |
|
| 4 | problem [adv] [be] [that] [pron] | 6 |
|
