| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been under | 275 |
|
| 2 | had [been] under | 138 |
|
| 3 | has [been] under | 62 |
|
| 4 | have [been] under | 27 |
|
| 5 | have [been] under | 16 |
|
| 6 | to have [been] under | 11 |
|
| 7 | 've [been] under | 8 |
|
| 8 | 's [been] under | 8 |
|
