| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be a [noun] for [noun prp] | 38 |
|
| 2 | [be] a [noun sg] for [noun prp] | 38 |
|
| 3 | [be] a problem for [noun prp] | 5 |
|
| 4 | [be] a problem for [noun prp] | 5 |
|
