| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] [be] [v-ing] to help | 112 |
|
| 2 | [be] [v-ing] to help [vb infin] | 11 |
|
| 3 | [pron] [be] [v-ing] [vb infin] | 10 |
|
| 4 | [pron] [be] to help [vb infin] | 7 |
|
