| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [is] [v-ing] to be [vb pp] | 343 |
|
| 2 | [is] to be [vb pp] for | 130 |
|
| 3 | [v-ing] to be [vb pp] for | 50 |
|
| 4 | [is] [v-ing] to be for | 6 |
|
