| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] since 1979 be | 8 |
|
| 2 | since 1979 have be | 15 |
|
| 3 | since 1979 [verb] be | 15 |
|
| 4 | since 1979 has be | 10 |
|
| 5 | since 1979 [vb -s] be | 10 |
|
