| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | i [am/are] writing to [pers pn] [prep] | 10 |
|
| 2 | i be writing to [pers pn] [prep] | 10 |
|
| 3 | i [be] writing to you [prep] | 10 |
|
| 4 | i am writing to [pers pn] [prep] | 8 |
|
