| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [art] [adj] couple of | 517 |
|
| 2 | [adv prt] [prep] [art] [adj] of | 180 |
|
| 3 | [adv prt] [prep] [art] couple of | 154 |
|
| 4 | [adv prt] [prep] [art] [adj] couple | 27 |
|
