| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [is] [v-ing] [det] [art] time | 63 |
|
| 2 | [v-ing] [prep] [det] [art] time | 28 |
|
| 3 | [is] [v-ing] [prep] [det] [art] | 26 |
|
| 4 | [is] [v-ing] [prep] [art] time | 15 |
|
