| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [was/were] [verb] | 23508 |
|
| 2 | [was/were] [verb] provide | 243 |
|
| 3 | it [verb] provide | 180 |
|
| 4 | it [was/were] provide | 34 |
|
