| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [v-ing] on for [num] years | 19 |
|
| 2 | going on for [adj] years | 13 |
|
| 3 | getting on for [adj] years | 9 |
|
| 4 | [v-ing] on for [det] years | 5 |
|
