| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [v-ing] for more [subord] a year | 6 |
|
| 2 | [v-ing] [prep] more [subord] a year | 6 |
|
| 3 | [v-ing] [prep] more than a year | 6 |
|
| 4 | [v-ing] [prep] more [subord] a year | 6 |
|
| 5 | [v-ing] for more [subord] a year | 6 |
|
| 6 | [v-ing] [prep] more [subord] a year | 6 |
|
