| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | the [noun] is a | 4498 |
|
| 2 | the problem is [art] | 82 |
|
| 3 | the problem is [art] | 82 |
|
| 4 | the problem [be] a | 30 |
|
| 5 | the problem be a | 30 |
|
| 6 | the problem is a | 26 |
|
| 7 | [art] problem is a | 25 |
|
| 8 | [art] problem is a | 25 |
|
| 9 | the problem is a | 21 |
|
| 10 | the problem [is] a | 21 |
|
