| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [was/were] [prep] [art] basis of | 10 |
|
| 2 | it [was/were] [prep] [art] basis of | 10 |
|
| 3 | it [was/were] [prep] [art] basis [prep] | 10 |
|
| 4 | it [was/were] [prep] [art] basis [prep] | 10 |
|
