| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | has been [v-ing] [adv prt] [prep] | 159 |
|
| 2 | has been [v-ing] [prep] [num] | 93 |
|
| 3 | been [v-ing] [adv prt] [prep] [num] | 35 |
|
| 4 | has been [adv prt] [prep] [num] | 9 |
|
