| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] [prep] [det] practical purposes | 11 |
|
| 2 | [be] [prep] [det] practical purpose | 11 |
|
| 3 | be [prep] [det] practical purpose | 11 |
|
| 4 | [be] for [det] practical purpose | 10 |
|
| 5 | [be] [prep] all practical purpose | 8 |
|
| 6 | is [prep] [det] practical purpose | 5 |
|
| 7 | [is] [prep] [det] practical purpose | 5 |
|
