Auxiliary verbs

Indicates obligation, expectation, or advisability.
"You ____ apologize for what you said."

• should

• could

• will

• can

Tags

CCSS.L.4.1C

CCSS.L.9-10.1B

Indicates permission, possibility, or probability.
"You ______ leave the room now."

• should

• could

• must

• may

Tags

CCSS.L.4.1C

CCSS.L.9-10.1B

Past tense of "can," also used to indicate ability, permission, or possibility in the past.
"When I was younger, I _____ run much faster."

• should

• could

• must

• may

Tags

CCSS.L.4.1C

CCSS.L.9-10.1B

Indicates ability, permission, or possibility.
"He ____ speak Spanish fluently."

• can

• must

• will

• should

Tags

CCSS.L.4.1C

CCSS.L.9-10.1B

Indicates future action or intention.
"She ___ visit her grandmother next weekend."

• can

• shall

• will

• should

Tags

CCSS.L.4.1C

CCSS.L.9-10.1B

Indicates possibility or uncertainty.
"It ____ rain later, so bring an umbrella."

• can

• might

• will

• should

Tags

CCSS.L.4.1C

CCSS.L.9-10.1B

Often used to indicate future action or intention, especially in formal or legal contexts. In modern English, "shall" is less commonly used in everyday language.
"I ____ accompany you to the meeting tomorrow."

• can

• might

• will

• shall

Tags

CCSS.L.3.1E

CCSS.L.4.1B

CCSS.L.5.1.B-D

CCSS.L.5.1C

CCSS.L.5.1D

Indicates necessity or obligation.
"You ___ finish your homework before you go out to play."

• can

• must

• will

• shall

Tags

CCSS.L.4.1C

CCSS.L.9-10.1B