| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have [been] [v-ing] [prep] some of | 9 |
|
| 2 | have been [v-ing] [prep] some [prep] | 9 |
|
| 3 | have [been] looking [prep] some [prep] | 7 |
|
| 4 | have [been] [v-ing] at some [prep] | 7 |
|
