| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] 1978 and has | 6 |
|
| 2 | [prep] 1978 and has | 6 |
|
| 3 | in 1978 and has | 6 |
|
| 4 | in 1978 and has | 6 |
|
| 5 | 1978 and has be | 5 |
|
| 6 | 1978 and has [be] | 5 |
|
| 7 | 1978 and has [been] | 5 |
|
| 8 | 1978 and has been | 5 |
|
