| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | though it has be [verb] | 31 |
|
| 2 | though it has [been] [verb] | 31 |
|
| 3 | though it has been [verb] | 31 |
|
| 4 | though it has [be] [vb pp] | 29 |
|
| 5 | though it has [be] suggest | 5 |
|
