| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [v-ing] [art] [noun] | 6510 |
|
| 2 | [vb -s] [v-ing] [art] [noun] | 708 |
|
| 3 | requires [verb] [art] [noun] | 22 |
|
| 4 | require [v-ing] [art] [noun] | 21 |
|
