Introductory words
That
What is an introductory?
What the tornado did was devastating.
What the tornado did, subject
Everyone decided what they should do
. they | should do | what
Everyone | decided | /\
What
What is a pronoun?
I know that bacon is delicious.
That bacon is delicious, DO
My contribution to the project will be whatever the teacher asks.
. teacher | asks | whatever
contribution | will be \ /\
When
What is an adverb?
The boys found where the foxes' den was.
Where the foxes' den was, DO
Louisa probably knows whose sweater you have found.
. you | have found | sweater
Louisa | knows | /\
Whose
What is an adjective?
Whatever made a sound in the dark night was terrifying.
Whatever made a sound in the dark night, subject
Whoever wants a drink must stand quietly in line.
Whoever | wants | drink
. /\ | must stand
Whomever
What is a pronoun?
Minnesota is where I live.
Where I live, PN
Do you know what causes geysers.
. what | causes | geysers
you | Do know | /\