| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | number of different ways | 49 |
|
| 2 | number of different types | 20 |
|
| 3 | number of different forms | 18 |
|
| 4 | number of different levels | 8 |
|
| 5 | number of different approaches | 8 |
|
| 6 | number of different factors | 7 |
|
| 7 | number of different sources | 7 |
|
| 8 | number of different countries | 7 |
|
| 9 | number of different options | 5 |
|
| 10 | number of different methods | 5 |
|
| 11 | number of different areas | 5 |
|
