Transcript Why are there different categories of auxiliary verbs? Aspect

Auxiliary Verbs - Modals, Tense Markers, Aspect Markers
Grammatical Properties
1. Auxiliary verbs precede the main verb.
2. Auxiliary verb tags precede the
copy-subject-pronoun tag.
3. Auxiliary verbs can appear in both
locations.
EVERY-MORNING MAN IX MUST DRINK COFFEE MUST HE
Auxiliary Verbs - Modals, Tense Markers, Aspect Markers
Practice signing sentences with auxiliary verbs
in both locations.
Modals
Tense Markers
Aspect Markers
CAN
PAST
FINISH
SHOULD
RECENT
NOT-YET
MUST
FORMERLY
MAYBE
UP-TO-NOW
CAN’T
NOW
REFUSE
FUTURE
WILL
WON’T
Auxiliary Verbs - Modals, Tense Markers, Aspect Markers
Why are there different categories of auxiliary verbs?
Modals
CAN
SHOULD
Modals indicate the attitude
(modality) of the signer to the event
described in the main verb.
MUST
These are in contrast to simple
assertions.
MAYBE
Possibility - e.g. MAYBE
CAN’T
REFUSE
WILL
WON’T
Prediction - e.g. WILL
Permission - e.g. CAN
Ability - e.g. CAN’T
Auxiliary Verbs - Modals, Tense Markers, Aspect Markers
Why are there different categories of auxiliary verbs?
Tense Markers
PAST
RECENT
FORMERLY
UP-TO-NOW
NOW
FUTURE
Tense markers are similar to time
indicators in production but they
are restricted in their production
and their location in a sentence.
Can you notice the difference in
these two related signs in the
following sentences?
Auxiliary Verbs - Modals, Tense Markers, Aspect Markers
Why are there different categories of auxiliary verbs?
Aspect Markers
FINISH
Aspect Markers indicate whether
an event is viewed as being
completed or not.
NOT-YET
Aspect markers can stand alone,
or come last if combined with
other auxiliary verbs or
negatives.
Example:
J-O-H-N MAYBE PAST NOT FINISH READ BOOK MAYBE HE
“Perhaps John had not finished reading the book.”
Auxiliary Verbs - Modals, Tense Markers, Aspect Markers
Discuss in more detail for the next level.
Modals
Modals
Auxiliary
Aspect
CAN
ALWAYS
PREFER
FINISH
SHOULD
OFTEN
TRY
NOT-YET
MUST
SOMETIMES
WANT
MAYBE
#RARE
WAIT
Tense
CAN’T
NEVER
DESIRE
PAST
REFUSE
ENJOY
RECENT
WILL
DON’T-WANT
FORMERLY
WON’T
UP-TO-NOW
NOW
FUTURE