| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | ought to be [v-ing] [be] | 7 |
|
| 2 | [vb mod] to be [v-ing] be | 7 |
|
| 3 | [vb mod] to be [v-ing] is | 6 |
|
| 4 | [vb mod] to be [v-ing] [is] | 6 |
|
