A search in the NOW corpus for:
. _RR21 _RR22 ,
1 . IN ADDITION, 302494
2 . OF COURSE, 168082
3 . IN PARTICULAR, 59379
4 . IN SHORT, 33034
5 . AT PRESENT, 25916
6 . IN GENERAL, 25021
7 . EVEN SO, 23640
8 . ONCE AGAIN, 19163
9 . AT FIRST, 18534
10 . AS WELL, 12468
11 . AT LEAST, 12275
12 . AS USUAL, 7198
13 . NO DOUBT, 6135
14 . AT BEST, 4899
15 . IN PART, 3376
16 . AT WORST, 2785
17 . FOR SURE, 2701
18 . IN BRIEF, 2598
19 . AT LAST, 2271
20 . FOR ONCE, 2129
21 . ALL RIGHT, 1773
22 . AT MOST, 1116
23 . ONCE MORE, 898
24 . AS YET, 800
25 . PRIMA FACIE, 653