SN4 ""

No	Pattern	Freq
1	[be] usually a	413
2	be usually a	413
3	[is] usually a	318
4	is usually a	264
5	[was/were] usually a	70
6	was usually a	66
7	's usually a	54
8	[adv] usually a	43
9	not usually a	32
10	[not/n't] usually a	32
11	not usually a	31
12	[conj] usually a	27
13	[coord] usually a	24
14	[am/are] usually a	23
15	are usually a	21
16	and usually a	19
17	and usually a	19
18	[adv] usually a	11
19	[noun] usually a	6
20	more usually a	5
21	but usually a	5
22	more usually a	5
23	but usually a	5
24	usually [verb] a	524
25	usually [prep] a	241
26	usually [prep] a	241
27	usually [vb base] a	193
28	usually have a	143
29	usually [vb -s] a	124
30	usually [vb infin] a	90