| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] [prep] be [v-ing] | 275 |
|
| 2 | [vb mod] [prep] be [v-ing] | 275 |
|
| 3 | [modal v] to be [v-ing] | 252 |
|
| 4 | [modal v] [prep] be [v-ing] | 252 |
|
| 5 | [modal v] to be [v-ing] | 252 |
|
| 6 | ought [prep] be [v-ing] | 225 |
|
| 7 | ought [prep] be [v-ing] | 225 |
|
| 8 | [modal v] [prep] be doing | 41 |
|
| 9 | used [prep] be [v-ing] | 27 |
|
| 10 | used [prep] be [v-ing] | 27 |
|
| 11 | [modal v] of be [v-ing] | 23 |
|
| 12 | [modal v] of be [v-ing] | 23 |
|
| 13 | [modal v] [prep] been [v-ing] | 22 |
|
| 14 | [modal v] [prep] be looking | 19 |
|
| 15 | [modal v] [prep] be getting | 13 |
|
| 16 | [modal v] [prep] be going | 11 |
|
| 17 | would [prep] be [v-ing] | 9 |
|
| 18 | [modal v] [prep] be thinking | 8 |
|
| 19 | would [prep] be [v-ing] | 7 |
|
| 20 | [modal v] [prep] be asking | 7 |
|
| 21 | [modal v] [prep] be working | 6 |
|
| 22 | [modal v] [prep] be talking | 6 |
|
| 23 | [modal v] [prep] be coming | 6 |
|
| 24 | [modal v] [prep] be taking | 6 |
|
| 25 | [modal v] [prep] be making | 5 |
|
| 26 | must [prep] be [v-ing] | 5 |
|
| 27 | must [prep] be [v-ing] | 5 |
|
