| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | has [been] [verb] for | 1650 |
|
| 2 | [verb] [been] [v-ing] for | 1564 |
|
| 3 | have [been] [v-ing] for | 1564 |
|
| 4 | has [been] [v-ing] [prep] | 1064 |
|
| 5 | has [been] [v-ing] [prep] | 1064 |
|
| 6 | [vb -s] [been] [v-ing] for | 380 |
|
| 7 | has [be] [v-ing] for | 270 |
|
| 8 | has [been] [v-ing] for | 270 |
|
