| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been [v-ing] on for some | 15 |
|
| 2 | have been going [adv prt] for some | 13 |
|
| 3 | had been [v-ing] [adv prt] for some | 9 |
|
| 4 | has been [v-ing] [adv prt] for some | 5 |
|
