| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [subord] [art] [noun] is | 16443 |
|
| 2 | [subord] [art] [noun sg] is | 16114 |
|
| 3 | [conj] [art] problem is | 228 |
|
| 4 | [subord] [art] problem be | 105 |
|
| 5 | [subord] [art] problem [be] | 105 |
|
| 6 | [subord] [art] problem is | 90 |
|
| 7 | [subord] [art] problem is | 90 |
|
| 8 | [subord] [art] problem [is] | 90 |
|
