SN4 ""

No	Pattern	Freq
1	[prep] the problems [prep] the	157
2	[prep] the problems [prep] the	157
3	[verb] the problems [prep] the	81
4	of the problems [prep] the	67
5	of the problems [prep] the	67
6	to the problems [prep] the	27
7	to the problems [prep] the	27
8	[conj] the problems [prep] the	25
9	[to-vb] the problems [prep] the	19
10	[vb infin] the problems [prep] the	17
11	with the problems [prep] the	15
12	with the problems [prep] the	15
13	solve the problems [prep] the	14
14	[adj] the problems [prep] the	14
15	all the problems [prep] the	13
16	all the problems [prep] the	13
17	[det] the problems [prep] the	13
18	[coord] the problems [prep] the	12
19	[v-ing] the problems [prep] the	12
20	and the problems [prep] the	11
21	and the problems [prep] the	11
22	[vb pp] the problems [prep] the	10
23	[that] the problems [prep] the	10
24	in the problems [prep] the	10
25	[vb past] the problems [prep] the	10
26	that the problems [prep] the	10
27	that the problems [prep] the	10
28	in the problems [prep] the	10
29	on the problems [prep] the	9
30	[adv] the problems [prep] the	9