| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [ex0] [verb] to [be] a | 693 |
|
| 2 | [modal v] [verb] to [be] a | 630 |
|
| 3 | [ex0] [modal v] [verb] to [be] | 269 |
|
| 4 | [ex0] [modal v] to [be] a | 183 |
|
