SN4 ""

No	Pattern	Freq
1	[pron] could let [pron]	83
2	[pers pn] could let [pron]	81
3	you could let [pron]	54
4	you could let [pron]	54
5	he could let [pron]	8
6	[noun] could let [pron]	8
7	i could let [pron]	8
8	he could let [pron]	8
9	i could let [pron]	8
10	she could let [pron]	5
11	she could let [pron]	5
12	could [adv] let [pron]	70
13	could not let [pron]	57
14	could [not/n't] let [pron]	57
15	could [pron] let [pron]	43
16	could [pers pn] let [pron]	43
17	could n't let [pron]	37
18	could you let [pron]	33
19	could you let [pron]	33
20	could not let [pron]	20
21	could [adv] let [pron]	13
22	could [verb] let [pron]	9
23	could [vb infin] let [pron]	9
24	could have let [pron]	8
25	could have let [pron]	7
26	could let [pron] [vb infin]	75
27	could let [pron] [verb]	75
28	could let [pron] know	40
29	could let [pron] know	40
30	could let [pron] have	21