| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [v-ing] [prep] [num] years | 16 |
|
| 2 | [adv] [v-ing] [prep] [adj] years | 15 |
|
| 3 | [adv] [v-ing] for [adj] years | 7 |
|
| 4 | [adv prt] [v-ing] [prep] [adj] years | 5 |
|
| 5 | [adv] [v-ing] in [adj] years | 5 |
|
