| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun pl] had been [v-ing] [adv prt] for | 6 |
|
| 2 | [noun pl] had been going [adv prt] for | 5 |
|
| 3 | [noun pl] had been [v-ing] on for | 5 |
|
