| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [det] be [art] [noun] is | 96 |
|
| 2 | [det] be [art] [noun sg] is | 93 |
|
| 3 | [det] be [art] problem [be] | 8 |
|
| 4 | [det] be [art] problem [is] | 8 |
|
| 5 | [det] [be] [art] problem is | 5 |
|
| 6 | [adj] be [art] problem is | 5 |
|
| 7 | [det] be [art] problem be | 5 |
|
| 8 | [det] be [art] problem is | 5 |
|
