| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been [v-ing] [adv prt] for | 185 |
|
| 2 | they have been [v-ing] for | 85 |
|
| 3 | they have been [v-ing] [adv prt] | 65 |
|
| 4 | they have been [adv prt] for | 11 |
|
