| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [v-ing] for [det] time | 63 |
|
| 2 | be [v-ing] for [det] [prep] | 31 |
|
| 3 | be [v-ing] [det] time [prep] | 20 |
|
| 4 | [v-ing] for [det] time [prep] | 16 |
|
