| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [be] [v-ing] a [adj] | 161 |
|
| 2 | [prep] [v-ing] a [adj] time | 28 |
|
| 3 | [prep] [be] a [adj] time | 24 |
|
| 4 | [be] [v-ing] a [adj] time | 13 |
|
