SN4 ""

No	Pattern	Freq
1	[adv] account for the [adj]	72
2	[noun] account for the [adj]	70
3	[modal v] account for the [adj]	52
4	[vb mod] account for the [adj]	52
5	[adv] account for the [adj]	51
6	[noun sg] account for the [adj]	48
7	[verb] account for the [adj]	35
8	[adj] account for the [adj]	28
9	[pron] account for the [adj]	27
10	[noun pl] account for the [adj]	20
11	may account for the [adj]	19
12	[not/n't] account for the [adj]	19
13	[conj] account for the [adj]	19
14	not account for the [adj]	19
15	may account for the [adj]	19
16	not account for the [adj]	18
17	[Wh det] account for the [adj]	16
18	[adj] account for the [adj]	15
19	which account for the [adj]	14
20	which account for the [adj]	14
21	[coord] account for the [adj]	13
22	[det] account for the [adj]	13
23	and account for the [adj]	12
24	and account for the [adj]	12
25	this account for the [adj]	11
26	[prep] account for the [adj]	11
27	[prep] account for the [adj]	11
28	[vb pp] account for the [adj]	11
29	this account for the [adj]	11
30	could account for the [adj]	10