| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [v-ing] a [noun] | 841 |
|
| 2 | [to] be a [noun] | 151 |
|
| 3 | [to] be [v-ing] [noun] | 14 |
|
| 4 | [to] be [v-ing] a | 12 |
|
