| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | the [num ord] problem is that | 14 |
|
| 2 | the [num ord] problem [is] that | 14 |
|
| 3 | the [num ord] problem be that | 14 |
|
| 4 | the second problem [be] that | 8 |
|
| 5 | the first problem [be] that | 5 |
|
