| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | 1986 act | 51 |
|
| 2 | 1986 world | 19 |
|
| 3 | 1986 education | 16 |
|
| 4 | 1986 no. | 8 |
|
| 5 | 1986 report | 6 |
|
| 6 | 1986 tax | 5 |
|
| 7 | 1986 law | 5 |
|
| 8 | 1986 level | 5 |
|
| 9 | 1986 agreement | 5 |
|
