| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | which have [been] successful in | 5 |
|
| 2 | which have [been] successful [prep] | 5 |
|
| 3 | which have [been] successful [prep] | 5 |
|
| 4 | which have been successful [prep] | 5 |
|
