| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [v-ing] to [be] [art] first | 10 |
|
| 2 | be [v-ing] to be [art] first | 10 |
|
| 3 | be [v-ing] to [be] [art] first | 10 |
|
| 4 | be [v-ing] to be [art] first | 10 |
|
