Roleset open.01 Verbnet Class: 1 "open":

Roles:

Arg0:opener


Arg1:thing opening


Arg2:instrument


Arg3:benefactive

Examples:

agentive (-)
Texas Instruments Inc. opened a plant in South Korea to manufacture control devices.
Arg0:	Texas Instruments Inc.
REL:	opened
Arg1:	a plant
Argm-LOC:	in South Korea
Argm-PNC:	to manufacture control devices.




ergative (-)
The branch of the the Bank for Foreign Economic Affairs opened in July.
Arg1:	The branch of the the Bank for Foreign Economic Affairs
REL:	opened
Argm-TMP:	in July




instrumental (-)
Douglas Wilder opened his gubernatorial battle with Marshall Coleman with an abortion commerical.
Arg0:	Douglas Wilder
REL:	opened
Arg1:	his gubernatorial battle with Marshall Coleman
Arg2-with:	an abortion commerical




topicalized instrument (-)
This can opener opens bottles, too!
Arg2:	This can opener
REL:	opens
Arg1:	bottles
Argm-DIS:	too




benefactive (-)
South Korea has opened its market to foreign cigarettes.
Arg0:	South Korea
REL:	opened
Arg1:	its market
Arg3-to:	foreign cigarettes

Many examples of adjectival open: "the open door". Do not tag these. Watch out, also, for misparsed adjectives as in "The market is open to all comers." This is sometimes tagged (incorrectly) as a verb.

Roleset open.02 Verbnet Class: 1 "begin":

Examples:

Roles:

Arg1:thing opening


ArgM-MNR:up, down, or unchanged


ArgM-EXT:start point





ergative (-)
Thursday the US currency opened for trading at 143.93 yen.
Argm-TMP:	Thursday
Arg1:	the US currency
REL:	opened
Argm-PNC:	for trading
Argm-EXT:	at 143.93 yen

Roleset open.03 Verbnet Class: 1 "cause to be not closed":

Roles:

Arg0:opener


Arg1:thing opening


Arg2:instrument


Arg3:benefactive

Examples:

then again, maybe they are present after all (-)
The incentive pay thing has opened up a can of worms.
Arg2:	The incentive pay thing
REL:	opened up
Arg1:	a can of worms