| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] [was/were] [art] [noun sg] | 16500 |
|
| 2 | [noun sg] [was/were] [art] [noun sg] | 10830 |
|
| 3 | problem [be] [art] [noun sg] | 168 |
|
| 4 | problem [was/were] [art] [noun sg] | 56 |
|
| 5 | problem [was/were] [art] [noun] | 55 |
|
