| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be being [vb pp] by a | 222 |
|
| 2 | is being [vb pp] by a | 94 |
|
| 3 | was being [vb pp] by a | 67 |
|
| 4 | are being [vb pp] by a | 31 |
|
| 5 | were being [vb pp] by a | 18 |
|
| 6 | be being used by a | 9 |
|
| 7 | 's being [vb pp] by a | 8 |
|
| 8 | be being chased by a | 6 |
|
| 9 | be being driven by a | 6 |
|
| 10 | be being investigated by a | 6 |
|
| 11 | be being provided by a | 5 |
|
| 12 | be being replaced by a | 5 |
|
