| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been [v-ing] for [num] [prep] | 5 |
|
| 2 | have be [v-ing] for [num] of | 5 |
|
| 3 | have be [v-ing] for [num] [prep] | 5 |
|
| 4 | have be [v-ing] for [num] of | 5 |
|
