| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | has been [verb] since [adj] | 65 |
|
| 2 | has been [verb] [adv prt] [adj] | 43 |
|
| 3 | been [verb] [adv prt] since [adj] | 22 |
|
| 4 | has been [verb] [adv prt] since | 17 |
|
| 5 | has [verb] [adv prt] since [adj] | 11 |
|
