| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be a [noun sg] [prep] [noun] | 18276 |
|
| 2 | be [not/n't] a [noun sg] [prep] | 2046 |
|
| 3 | [not/n't] a [noun sg] [prep] [noun] | 1067 |
|
| 4 | be [not/n't] a [noun sg] [noun] | 577 |
|
| 5 | be [not/n't] [noun sg] [prep] [noun] | 102 |
|
