0	The girl was skating in the [MASK]	IMPERF	rink ring
0	The girl had skated in the [MASK]	PERF	rink ring
1	The bear was hibernating in the [MASK].	IMPERF	cave tree
1	The bear had hibernated in the [MASK].	PERF	cave tree
2	The prostitute was walking down the [MASK].	IMPERF	street slope
2	The prostitute had walked down the [MASK].	PERF	street slope
3	The diver was snorkeling in the [MASK].	IMPERF	ocean pond
3	The diver had snorkeled in the [MASK].	PERF	ocean pond
4	The commuter was parking in the [MASK].	IMPERF	parking-lot space
4	The commuter had parked in the [MASK].	PERF	parking-lot space
5	The cricket was jumping in the [MASK].	IMPERF	grass closet
5	The cricket had jumped in the [MASK].	PERF	grass closet
6	The boy was tobogganing down the [MASK].	IMPERF	hill street
6	The boy had tobogganed down the [MASK].	PERF	hill street
7	The boy was fishing in the [MASK].	IMPERF	lake swamp
7	The boy had fished in the [MASK].	PERF	lake swamp
8	The king was sitting on the [MASK].	IMPERF	throne stage
8	The king had sat on the [MASK].	PERF	throne stage
9	The woman was tanning in the [MASK].	IMPERF	backyard web
9	The woman had tanned in the [MASK].	PERF	backyard web
10	The rat was scurrying across the [MASK].	IMPERF	floor border
10	The rat had scurried across the [MASK].	PERF	floor border
11	The monkey was swinging in the [MASK].	IMPERF	jungle forest
11	The monkey had swung in the [MASK].	PERF	jungle forest
12	The weightlifter was exercising at the [MASK].	IMPERF	gym beach
12	The weightlifter had exercised at the [MASK].	PERF	gym beach
13	The tourist was browsing in the [MASK].	IMPERF	shop park
13	The tourist had browsed in the [MASK].	PERF	shop park
14	The snake was slithering in the [MASK].	IMPERF	desert hole
14	The snake had slithered in the [MASK].	PERF	desert hole
15	The chef was cooking in the [MASK].	IMPERF	kitchen oven
15	The chef had cooked in the [MASK].	PERF	kitchen oven
16	The horse was residing in the [MASK].	IMPERF	stable grass
16	The horse had resided in the [MASK].	PERF	stable grass
17	The pitcher was standing on the [MASK].	IMPERF	mound deck
17	The pitcher had standed on the [MASK].	PERF	mound deck
18	The cow was grazing in the [MASK].	IMPERF	field stable
18	The cow had grazed in the [MASK].	PERF	field stable
19	The girl was swimming in the [MASK].	IMPERF	pool backyard
19	The girl had swum in the [MASK].	PERF	pool backyard
20	The turkey was roasting in the [MASK].	IMPERF	oven kitchen
20	The turkey had roasted in the [MASK].	PERF	oven kitchen
21	The diplomats were meeting at the [MASK].	IMPERF	embassy conference
21	The diplomats had met at the [MASK].	PERF	embassy conference
22	The golfer was slipping on the [MASK].	IMPERF	green throne
22	The golfer had slipped on the [MASK].	PERF	green throne
23	The girl was showering in the [MASK].	IMPERF	bathroom lake
23	The girl had showered in the [MASK].	PERF	bathroom lake
24	The crocodile was crawling in the [MASK].	IMPERF	swamp woods
24	The crocodile had crawled in the [MASK].	PERF	swamp woods
25	The sailor was napping on the [MASK].	IMPERF	deck lily-pad
25	The sailor had napped on the [MASK].	PERF	deck lily-pad
26	The scout was camping in the [MASK].	IMPERF	woods cavern
26	The scout had camped in the [MASK].	PERF	woods cavern
27	The duck was floating in the [MASK].	IMPERF	pond bath
27	The duck had floated in the [MASK].	PERF	pond bath
28	The fireman was resting at the [MASK].	IMPERF	station bank
28	The fireman had rested at the [MASK].	PERF	station bank
29	The family was parting at the [MASK].	IMPERF	airport funeral
29	The family had parted at the [MASK].	PERF	airport funeral
30	The boy was hiking up the [MASK].	IMPERF	mountain stream
30	The boy had hiked up the [MASK].	PERF	mountain stream
31	The man was sailing across the [MASK].	IMPERF	ocean floor
31	The man had sailed across the [MASK].	PERF	ocean floor
32	The woman was strolling in the [MASK].	IMPERF	park lot
32	The woman had strolled in the [MASK].	PERF	park lot
33	The goaltender was falling on the [MASK].	IMPERF	field stage
33	The goaltender had fallen on the [MASK].	PERF	field stage
34	The frog was hopping on the [MASK].	IMPERF	lily-pad ship
34	The frog had hopped on the [MASK].	PERF	lily-pad ship
35	The girl was hiding in the [MASK].	IMPERF	closet field
35	The girl had hidden in the [MASK].	PERF	closet field