| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | was use [prep] the | 284 |
|
| 2 | use [prep] [v-ing] the | 161 |
|
| 3 | was [prep] [v-ing] the | 118 |
|
| 4 | was use [prep] [v-ing] | 44 |
|
