| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | they [verb] been happy | 7 |
|
| 2 | they have been happy | 7 |
|
| 3 | they [vb past] been happy | 6 |
|
| 4 | they had been happy | 5 |
|
| 5 | they [verb] been happy | 5 |
|
