| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [been] [v-ing] for years | 79 |
|
| 2 | have [been] [v-ing] for years | 79 |
|
| 3 | [vb -s] [been] [v-ing] for years | 18 |
|
| 4 | 's [been] [v-ing] for [noun] | 16 |
|
| 5 | 's [been] [v-ing] for [noun pl] | 12 |
|
| 6 | 's [been] [verb] for years | 9 |
|
| 7 | 's [been] [v-ing] [prep] years | 8 |
|
| 8 | 's [been] [v-ing] for year | 8 |
|
| 9 | 's [be] [v-ing] for years | 8 |
|
