| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [is] [v-ing] to | 3989 |
|
| 2 | [v-ing] to [adj] | 3605 |
|
| 3 | [is] [v-ing] [adj] | 2330 |
|
| 4 | [is] to [adj] | 94 |
|
