| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | has been [v-ing] [adv prt] [prep] [num] | 12 |
|
| 2 | has been [v-ing] on [prep] [num] | 9 |
|
| 3 | has been [v-ing] [adv prt] for [num] | 8 |
|
| 4 | has been [v-ing] [adv prt] for [num] | 8 |
|
| 5 | has been going [adv prt] [prep] [num] | 7 |
|
