| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | the problem is [det] [noun] | 21 |
|
| 2 | the problem [is] [det] [noun sg] | 21 |
|
| 3 | the problem [is] [det] [noun] | 21 |
|
| 4 | the problem [is] that [noun] | 20 |
|
