| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | has been [v-ing] [adv prt] for [num] | 8 |
|
| 2 | has [been] [v-ing] on for [num] | 7 |
|
| 3 | has [been] going [adv prt] for [num] | 6 |
|
