SN4 ""

No	Pattern	Freq
1	[pron] do understand	74
2	[pers pn] do understand	72
3	i do understand	41
4	i do understand	41
5	you do understand	22
6	you do understand	22
7	we do understand	8
8	we do understand	8
9	[adv] do understand	5
10	[adv] do understand	5
11	do [adv] understand	1180
12	do [not/n't] understand	1177
13	do not understand	1176
14	do n't understand	954
15	do [pron] understand	250
16	do [pers pn] understand	250
17	do not understand	222
18	do you understand	221
19	do you understand	221
20	do i understand	16
21	do i understand	16
22	do we understand	10
23	do we understand	10
24	do understand [pron]	18
25	do understand [conj]	12
26	do understand [adj]	11
27	do understand [det]	10
28	do understand that	10
29	do understand that	10
30	do understand [that]	10