| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | to [be] a | 11970 |
|
| 2 | [v-ing] to [be] | 8901 |
|
| 3 | [v-ing] to a | 4197 |
|
| 4 | [v-ing] [be] a | 424 |
|
