| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] be [v-ing] for [adj] years | 6 |
|
| 2 | [adv] [be] [v-ing] for [adj] years | 6 |
|
| 3 | [adv] [been] [v-ing] for [adj] years | 5 |
|
| 4 | [adv] been [v-ing] for [adj] years | 5 |
|
