| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [vb pp] as the basis for | 21 |
|
| 2 | be [vb pp] [prep] the basis for | 21 |
|
| 3 | be [vb pp] [prep] the basis for | 21 |
|
| 4 | be [vb pp] as the basis for | 21 |
|
| 5 | be used [prep] the basis for | 16 |
|
