| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [prep] [be] helpful [coord] | 9 |
|
| 2 | [v-ing] [prep] [be] helpful [coord] | 5 |
|
| 3 | [prep] [be] helpful [coord] [adj] | 5 |
|
| 4 | [prep] [be] helpful [coord] [adj] | 5 |
|
| 5 | [prep] [be] helpful [coord] [verb] | 5 |
|
