| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] is to | 196 |
|
| 2 | [v-ing] is [prep] | 136 |
|
| 3 | [v-ing] is [prep] | 136 |
|
| 4 | [v-ing] be to | 53 |
|
| 5 | [v-ing] [be] to | 53 |
|
| 6 | [v-ing] [is] to | 23 |
|
| 7 | [v-ing] is to | 22 |
|
