| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adj] problem [is] [conj] [art] | 73 |
|
| 2 | second [noun] [is] [conj] [art] | 57 |
|
| 3 | second problem [be] [conj] [art] | 7 |
|
| 4 | [num ord] problem [is] [conj] [art] | 7 |
|
| 5 | second problem [is] [conj] [art] | 6 |
|
| 6 | second problem [is] [conj] [art] | 6 |
|
