| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] [noun] to [be] | 833 |
|
| 2 | [conj] [noun pl] to [be] | 413 |
|
| 3 | [conj] problems [prep] [be] | 5 |
|
| 4 | [conj] problem to [be] | 5 |
|
| 5 | [conj] problems [prep] [be] | 5 |
|
| 6 | [conj] problems to [be] | 5 |
|
| 7 | [conj] problems to [be] | 5 |
|
