| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] [v-ing] [modal v] [vb infin] | 87 |
|
| 2 | [be] [v-ing] [vb mod] [vb infin] | 87 |
|
| 3 | [be] [verb] can [vb infin] | 63 |
|
| 4 | [be] [v-ing] can [vb infin] | 8 |
|
| 5 | [be] [v-ing] can [verb] | 8 |
|
