| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb base] [be] [v-ing] for [num] | 45 |
|
| 2 | [be] [v-ing] for [num] [prep] | 28 |
|
| 3 | [vb base] [be] [v-ing] for [prep] | 13 |
|
| 4 | [vb base] [be] [v-ing] [num] [prep] | 7 |
|
