| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | which are responsible for | 39 |
|
| 2 | which are essential for | 18 |
|
| 3 | which are necessary for | 14 |
|
| 4 | which are suitable for | 12 |
|
| 5 | which are ideal for | 10 |
|
| 6 | which are available for | 10 |
|
| 7 | which are appropriate for | 7 |
|
| 8 | which are important for | 6 |
|
| 9 | which are good for | 5 |
|
