| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | problem is that | 581 |
|
| 2 | problem is that | 581 |
|
| 3 | problem is [that] | 581 |
|
| 4 | problem is [subord] | 24 |
|
| 5 | problem is whether | 12 |
|
| 6 | problem is whether | 12 |
|
| 7 | problem is if | 8 |
|
| 8 | problem is if | 8 |
|
| 9 | problem is [coord] | 8 |
|
| 10 | problem is and | 6 |
|
| 11 | problem is and | 6 |
|
