| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [v-ing] for a | 487 |
|
| 2 | [adv prt] [prep] [v-ing] a | 224 |
|
| 3 | [adv prt] [prep] [v-ing] for | 61 |
|
| 4 | [adv prt] [v-ing] for a | 45 |
|
| 5 | [adv prt] [prep] for a | 7 |
|
