SN4 ""

No	Pattern	Freq
1	[prep] their heads	491
2	[prep] their heads	491
3	[verb] their heads	470
4	[vb past] their heads	145
5	[v-ing] their heads	112
6	on their heads	98
7	on their heads	98
8	over their heads	93
9	over their heads	93
10	shake their heads	84
11	[vb base] their heads	82
12	above their heads	79
13	above their heads	79
14	[to-vb] their heads	67
15	[adv] their heads	56
16	[adv prt] their heads	49
17	shook their heads	46
18	in their heads	45
19	in their heads	45
20	with their heads	44
21	with their heads	44
22	of their heads	40
23	of their heads	40
24	keep their heads	38
25	[vb infin] their heads	34
26	over their heads	31
27	over their heads	31
28	[conj] their heads	28
29	put their heads	26
30	[vb pp] their heads	25