| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | the [noun] is [subord] | 445 |
|
| 2 | the problem is [conj] | 342 |
|
| 3 | the problem be [subord] | 17 |
|
| 4 | the problem [be] [subord] | 17 |
|
| 5 | [art] problem is [subord] | 13 |
|
| 6 | the problem [is] [subord] | 13 |
|
| 7 | the problem is [subord] | 13 |
|
| 8 | [art] problem is [subord] | 13 |
|
