| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb mod] to be [v-ing] | 252 |
|
| 2 | [modal v] to be [v-ing] | 252 |
|
| 3 | ought to be [v-ing] | 225 |
|
| 4 | ought to be [v-ing] | 225 |
|
| 5 | [modal v] to be doing | 40 |
|
| 6 | used to be [v-ing] | 27 |
|
| 7 | used to be [v-ing] | 27 |
|
| 8 | [modal v] to be looking | 17 |
|
| 9 | [modal v] to be getting | 12 |
|
| 10 | [modal v] to be going | 11 |
|
| 11 | [modal v] to be asking | 7 |
|
| 12 | [modal v] to be thinking | 7 |
|
| 13 | [modal v] to be coming | 6 |
|
| 14 | [modal v] to be talking | 5 |
|
| 15 | [modal v] to be taking | 5 |
|
| 16 | [modal v] to be making | 5 |
|
| 17 | [modal v] to be working | 5 |
|
