| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | has been [v-ing] [prep] two [noun] | 8 |
|
| 2 | has [been] [v-ing] [prep] two [noun] | 8 |
|
| 3 | has [been] [v-ing] [prep] two [noun pl] | 7 |
|
| 4 | has [been] [v-ing] for two [noun] | 5 |
|
| 5 | has [been] [v-ing] for two [noun] | 5 |
|
