SN4 ""

No	Pattern	Freq
1	[verb] [pos pn] doors [prep] the	45
2	[verb] [pos pn] doors [prep] the	45
3	[verb] its doors [prep] the	35
4	open [pos pn] doors [prep] the	27
5	[verb] [pos pn] doors to the	21
6	[verb] [pos pn] doors to the	21
7	[vb past] [pos pn] doors [prep] the	21
8	close [pos pn] doors [prep] the	15
9	[verb] [pos pn] doors for the	14
10	[verb] [pos pn] doors for the	14
11	opened [pos pn] doors [prep] the	11
12	closed [pos pn] doors [prep] the	9
13	[verb] their doors [prep] the	7
14	[vb -s] [pos pn] doors [prep] the	7
15	opens [pos pn] doors [prep] the	5
16	[to-vb] [pos pn] doors [prep] the	5