| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [been] [v-ing] for years | 79 |
|
| 2 | have [been] [v-ing] for years | 79 |
|
| 3 | has [been] [v-ing] for [noun] | 32 |
|
| 4 | has [been] [v-ing] for [noun pl] | 19 |
|
| 5 | [vb -s] [been] [v-ing] for years | 18 |
|
| 6 | has [been] [verb] for years | 15 |
|
| 7 | has [been] [v-ing] [prep] years | 10 |
|
| 8 | has [been] [v-ing] for year | 10 |
|
| 9 | has [be] [v-ing] for years | 10 |
|
