| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [been] [v-ing] for [adj] | 418 |
|
| 2 | [verb] [been] [verb] for twenty | 13 |
|
| 3 | [verb] [be] [v-ing] for twenty | 12 |
|
| 4 | [verb] [been] [v-ing] [prep] twenty | 12 |
|
