| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] though they have been | 9 |
|
| 2 | as though they have been | 9 |
|
| 3 | as though they have been | 9 |
|
| 4 | [subord] though they have been | 9 |
|
| 5 | though they have [adv] been | 7 |
|
| 6 | though they have [adv] been | 5 |
|
| 7 | though they have been [verb] | 15 |
|
| 8 | though they have been [vb pp] | 12 |
|
