| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [num ord] problem is [conj] [art] | 7 |
|
| 2 | [num ord] problem [is] [that] [art] | 7 |
|
| 3 | [num ord] problem [is] [conj] [art] | 7 |
|
| 4 | [num ord] problem [is] that [art] | 7 |
|
| 5 | [num ord] problem [is] that [art] | 7 |
|
| 6 | second problem [is] [conj] [art] | 6 |
|
| 7 | [num ord] problem [is] [conj] the | 5 |
|
