???????
[
?????
]
??? ????
[
?????
]
operate
(
third-person singular simple present
operates
?
present participle
operating
?
simple past and past participle
operated
)
- (
????
)
????
?????
????
?
??? ?????
[
?????
]
operate
(
third-person singular simple present
operates
?
present participle
operating
?
simple past and past participle
operated
)
- (
?????
)
???
?????
?????
?
?????
?????
