| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [v-ing] [prep] | 9094 |
|
| 2 | always [v-ing] [prep] | 553 |
|
| 3 | is always [prep] | 227 |
|
| 4 | is always [v-ing] | 169 |
|
