| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb -s] [adv] [be] a [noun] for | 32 |
|
| 2 | [vb -s] [adv] [be] a problem [prep] | 6 |
|
| 3 | [verb] [adv] [be] a problem for | 6 |
|
| 4 | [vb -s] [adv] [be] [art] problem for | 5 |
|
| 5 | [vb -s] [adv] [be] a problem for | 5 |
|
