| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] to [be] | 31972 |
|
| 2 | [noun pl] to [be] | 10075 |
|
| 3 | problem to [be] | 108 |
|
| 4 | problems to [be] | 67 |
|
| 5 | problems to [be] | 67 |
|
| 6 | problems [prep] [be] | 67 |
|
| 7 | problems [prep] [be] | 67 |
|
