| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | cost of [v-ing] for [art] [noun] | 6 |
|
| 2 | cost of [verb] for [art] [noun] | 6 |
|
| 3 | cost of [verb] for [art] [noun] | 5 |
|
| 4 | cost of [verb] for [art] [noun sg] | 5 |
|
