SN4 ""

No	Pattern	Freq
1	[pron] could let [pron] [vb infin]	69
2	[pers pn] could let [pron] [vb infin]	69
3	you could let [pron] [vb infin]	51
4	you could let [pron] [vb infin]	51
5	i could let [pron] [vb infin]	7
6	i could let [pron] [vb infin]	7
7	he could let [pron] [vb infin]	6
8	he could let [pron] [vb infin]	6
9	[noun] could let [pron] [vb infin]	5
10	could [adv] let [pron] [vb infin]	45
11	could [not/n't] let [pron] [vb infin]	39
12	could not let [pron] [vb infin]	39
13	could [pers pn] let [pron] [vb infin]	36
14	could [pron] let [pron] [vb infin]	36
15	could you let [pron] [vb infin]	30
16	could you let [pron] [vb infin]	30
17	could n't let [pron] [vb infin]	25
18	could not let [pron] [vb infin]	14
19	could [adv] let [pron] [vb infin]	6
20	could [verb] let [pron] [vb infin]	6
21	could [vb infin] let [pron] [vb infin]	6
22	could have let [pron] [vb infin]	5
23	could let [pron] [vb infin] [pron]	18
24	could let [pron] [vb infin] [conj]	12
25	could let [pron] [vb infin] [Wh det]	10
26	could let [pron] [vb infin] what	10
27	could let [pron] [vb infin] [adv]	10
28	could let [pron] [vb infin] what	10
29	could let [pron] [vb infin] [subord]	10
30	could let [pron] [vb infin] [adv]	9