| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [prep] [v-ing] the | 281 |
|
| 2 | obtained [prep] [v-ing] the | 112 |
|
| 3 | is obtained [prep] [v-ing] | 48 |
|
| 4 | is obtained [prep] the | 45 |
|
