| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | if [pers pn] [vb mod] [vb infin] receipt of | 8 |
|
| 2 | if [pers pn] [vb mod] acknowledge receipt of | 8 |
|
| 3 | if you [vb mod] [verb] receipt of | 8 |
|
| 4 | if [pers pn] would [verb] receipt of | 8 |
|
| 5 | if [pers pn] [vb mod] acknowledge receipt of | 8 |
|
