| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb mod] be [v-ing] [verb] | 726 |
|
| 2 | [vb mod] be [v-ing] [to-vb] | 655 |
|
| 3 | [vb mod] be [verb] to take | 224 |
|
| 4 | [vb mod] be [v-ing] take | 19 |
|
| 5 | [modal v] be [v-ing] to take | 17 |
|
| 6 | [vb mod] [be] [v-ing] to take | 17 |
|
