| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [adv prt] for an | 174 |
|
| 2 | [verb] [adv prt] for about | 61 |
|
| 3 | [verb] for about an | 21 |
|
| 4 | [verb] [adv prt] about an | 13 |
|
| 5 | [adv prt] for about an | 9 |
|
