| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | has been [v-ing] for [noun] | 32 |
|
| 2 | has [been] [v-ing] for [noun pl] | 19 |
|
| 3 | has [been] [v-ing] for year | 10 |
|
| 4 | has [been] [v-ing] for [noun sg] | 10 |
|
| 5 | has [been] [v-ing] for years | 10 |
|
