| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have become a [noun] | 774 |
|
| 2 | have [verb] a problem | 117 |
|
| 3 | have [vb pp] a problem | 115 |
|
| 4 | have become a problem | 9 |
|
| 5 | have become a problem | 9 |
|
| 6 | [verb] become a problem | 9 |
|
| 7 | have become [art] problem | 9 |
|
| 8 | have become [art] problem | 9 |
|
