| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] [v-ing] [prep] [art] first time | 43 |
|
| 2 | [is] [verb] [prep] [art] first time | 26 |
|
| 3 | [is] [v-ing] [prep] [art] [adj] time | 19 |
|
| 4 | [is] [v-ing] [prep] [art] first [noun] | 13 |
|
