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