SN4 ""

No	Pattern	Freq
1	[adv] let [pron] down	163
2	[verb] let [pron] down	92
3	not let [pron] down	92
4	[not/n't] let [pron] down	92
5	have let [pron] down	70
6	[adv] let [pron] down	69
7	n't let [pron] down	66
8	[pron] let [pron] down	61
9	[pers pn] let [pron] down	52
10	[noun] let [pron] down	49
11	[noun sg] let [pron] down	37
12	[vb past] let [pron] down	32
13	had let [pron] down	30
14	not let [pron] down	26
15	[vb mod] let [pron] down	25
16	[modal v] let [pron] down	25
17	never let [pron] down	23
18	never let [pron] down	23
19	[conj] let [pron] down	20
20	[vb base] let [pron] down	20
21	[be] let [pron] down	19
22	[vb -s] let [pron] down	19
23	be let [pron] down	19
24	[coord] let [pron] down	14
25	you let [pron] down	13
26	you let [pron] down	13
27	has let [pron] down	13
28	and let [pron] down	11
29	and let [pron] down	11
30	i let [pron] down	11