| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [v-ing] [adj] year | 835 |
|
| 2 | [v-ing] [num] year | 424 |
|
| 3 | [v-ing] 30 [noun] | 67 |
|
| 4 | [verb] 30 year | 62 |
|
| 5 | [v-ing] 30 year | 10 |
|
