Raise/rise/arise
raise: transitive verb—followed by object (move someone or something to a higher position)
She raised the book up above her head.
rise: intransitive verb—not followed by object (go to a higher position)
The tuition is rising higher each quarter.
arise: verb (come into being)
A problem has arisen.
Than/then
than: preposition (used only in comparison)
He had more than she did.
then: adverb (time)
He went home. Then he went to bed.
Their/there/they’re
their: determiner of possession for “them"
Their building was destroyed.
there: adverb or pronoun
Then and there she quit trying to get a good grade.
There is no other student as good as she.
they’re: contraction for “they are”
They’re late again.
Who’s/whose
who’s: contraction for “who is”
Who’s coming to visit?
whose: determiner pronoun
Whose car is this?
This is the man whose house burned down.
Sit and set
Sit is an intransitive verb. It does not take an object.
Please sit down.
Set is a transitive verb. It takes an object that receives an action from the verb.
Please set the tray down.
You can set those items anywhere you like.
raise: transitive verb—followed by object (move someone or something to a higher position)
She raised the book up above her head.
rise: intransitive verb—not followed by object (go to a higher position)
The tuition is rising higher each quarter.
arise: verb (come into being)
A problem has arisen.
Than/then
than: preposition (used only in comparison)
He had more than she did.
then: adverb (time)
He went home. Then he went to bed.
Their/there/they’re
their: determiner of possession for “them"
Their building was destroyed.
there: adverb or pronoun
Then and there she quit trying to get a good grade.
There is no other student as good as she.
they’re: contraction for “they are”
They’re late again.
Who’s/whose
who’s: contraction for “who is”
Who’s coming to visit?
whose: determiner pronoun
Whose car is this?
This is the man whose house burned down.
Sit and set
Sit is an intransitive verb. It does not take an object.
Please sit down.
Set is a transitive verb. It takes an object that receives an action from the verb.
Please set the tray down.
You can set those items anywhere you like.