| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been [v-ing] [prep] some time | 55 |
|
| 2 | have [been] [v-ing] for some time | 55 |
|
| 3 | have [been] [v-ing] [prep] some time | 55 |
|
| 4 | had [been] [v-ing] [prep] some time | 22 |
|
| 5 | have [been] [v-ing] [prep] some time | 14 |
|
| 6 | has [been] [v-ing] [prep] some time | 12 |
|
| 7 | have [been] saying [prep] some time | 5 |
|
