| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have [been] [v-ing] for [noun] | 270 |
|
| 2 | have [been] [v-ing] for [noun pl] | 170 |
|
| 3 | have [been] [verb] for years | 107 |
|
| 4 | have [been] [v-ing] [prep] years | 81 |
|
| 5 | [verb] [been] [v-ing] for years | 79 |
|
| 6 | have [been] [v-ing] for year | 79 |
|
| 7 | have [be] [v-ing] for years | 79 |
|
