| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been [verb] at [adv] | 108 |
|
| 2 | have been [vb pp] at [adv] | 84 |
|
| 3 | had been [verb] at [adv] | 33 |
|
| 4 | have been [verb] at least | 29 |
|
| 5 | have been [verb] at [adv] | 25 |
|
| 6 | has been [verb] at [adv] | 25 |
|
| 7 | have been [v-ing] at [adv] | 23 |
|
| 8 | have been [verb] at [adv] | 14 |
|
| 9 | have been look at [adv] | 9 |
|
| 10 | have been estimated at [adv] | 8 |
|
| 11 | have been [verb] at once | 8 |
|
| 12 | have been estimate at [adv] | 8 |
|
| 13 | have been [verb] at about | 6 |
|
| 14 | have been running at [adv] | 5 |
|
| 15 | 've been [verb] at [adv] | 5 |
|
| 16 | have been looking at [adv] | 5 |
|
| 17 | have been [verb] at more | 5 |
|
| 18 | have been run at [adv] | 5 |
|
