| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [subord] [prep] course | 439 |
|
| 2 | [subord] of course | 438 |
|
| 3 | [subord] of course | 438 |
|
| 4 | though [prep] course | 108 |
|
| 5 | because [prep] course | 97 |
|
| 6 | unless [prep] course | 74 |
|
| 7 | although [prep] course | 73 |
|
| 8 | except [prep] course | 23 |
|
| 9 | as [prep] course | 15 |
|
| 10 | provided [prep] course | 14 |
|
| 11 | when [prep] course | 11 |
|
| 12 | cos [prep] course | 7 |
|
