| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [be] some [noun] | 458 |
|
| 2 | [verb] [be] some [noun sg] | 361 |
|
| 3 | [verb] [be] [adj] improvement | 12 |
|
| 4 | [verb] [be] some improvement | 11 |
|
| 5 | [verb] [be] [det] improvement | 9 |
|
| 6 | [verb] [be] some improvement | 7 |
|
