| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] be [v-ing] a | 445 |
|
| 2 | [to] be [v-ing] [art] | 21 |
|
| 3 | [to] be [v-ing] [art] | 21 |
|
| 4 | [to] be [verb] a | 16 |
|
| 5 | [to] be [v-ing] a | 13 |
|
| 6 | [to] [be] [v-ing] a | 12 |
|
