| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is become a [adj] [noun sg] | 66 |
|
| 2 | is become a [adj] [noun] | 52 |
|
| 3 | is becoming a [adj] [noun] | 47 |
|
| 4 | is to become a [adj] [noun] | 19 |
|
| 5 | is become an [adj] [noun] | 16 |
|
| 6 | is become a [adj] problem | 7 |
|
| 7 | is become a [adj] problem | 7 |
|
| 8 | is become a major [noun] | 5 |
|
