regular model: work
verbs ending in -e: like

work - model verb

Variants of the regular models:

  1. pass -s, -sh, -x, -o: +e
  2. try -y>ie
  3. omit -X>-XX
  4. die -ie: -ie>y
  5. agree -ee: +d

Irregular past tense models:

  1. cost invar.
  2. feed vowel: long>short
  3. find i>ou
  4. know [o,a]>e
  5. mean +t
  6. panic -k-
  7. pay -ay>aid
  8. send -d>-t
  9. sing i>a, u
  10. show >ed, -n
  11. stick a>u, i>u
  12. sleep -ee_>-e_t
  13. speak >o_e, o_en
  14. spell >ed, -t
  15. take -ake>-ook, -aken
  16. think >-ought
  17. wear -ear>-ore, -orn
  18. write -i_e>o_e, i_en

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heighten

It is conjugated like: work
infinitive:
present participle:
past participle:
(to) heighten
heightening
heightened
definition
in Spanish
in French
in Italian

Indicative

presentAlso known as:
present simple or simple present
Iheighten
youheighten
he, she, itheightens
weheighten
youheighten
theyheighten
simple pastAlso known as:
past simple or preterite
Iheightened
youheightened
he, she, itheightened
weheightened
youheightened
theyheightened
future
Iwill heighten
youwill heighten
he, she, itwill heighten
wewill heighten
youwill heighten
theywill heighten

Perfect tenses

present perfect
Ihave heightened
youhave heightened
he, she, ithas heightened
wehave heightened
youhave heightened
theyhave heightened
past perfectAlso known as:
pluperfect
Ihad heightened
youhad heightened
he, she, ithad heightened
wehad heightened
youhad heightened
theyhad heightened
future perfect
Iwill have heightened
youwill have heightened
he, she, itwill have heightened
wewill have heightened
youwill have heightened
theywill have heightened

Continuous (progressive) and emphatic tenses

present continuous
Iam heightening
youare heightening
he, she, itis heightening
weare heightening
youare heightening
theyare heightening
past continuous
Iwas heightening
youwere heightening
he, she, itwas heightening
wewere heightening
youwere heightening
theywere heightening
present emphatic
Ido heighten
youdo heighten
he, she, itdoes heighten
wedo heighten
youdo heighten
theydo heighten
past emphatic
Idid heighten
youdid heighten
he, she, itdid heighten
wedid heighten
youdid heighten
theydid heighten

Compound continuous (progressive) tenses

present perfect
Ihave been heightening
youhave been heightening
he, she, ithas been heightening
wehave been heightening
youhave been heightening
theyhave been heightening
past perfect
Ihad been heightening
youhad been heightening
he, she, ithad been heightening
wehad been heightening
youhad been heightening
theyhad been heightening
future
Iwill be heightening
youwill be heightening
he, she, itwill be heightening
wewill be heightening
youwill be heightening
theywill be heightening
future perfect
Iwill have been heightening
youwill have been heightening
he, she, itwill have been heightening
wewill have been heightening
youwill have been heightening
theywill have been heightening

Conditional

present
Iwould heighten
youwould heighten
he, she, itwould heighten
wewould heighten
youwould heighten
theywould heighten
perfectAlso known as:
past conditional
Iwould have heightened
youwould have heightened
he, she, itwould have heightened
wewould have heightened
youwould have heightened
theywould have heightened
present continuous
Iwould be heightening
youwould be heightening
he, she, itwould be heightening
wewould be heightening
youwould be heightening
theywould be heightening
perfect continuous
Iwould have been heightening
youwould have been heightening
he, she, itwould have been heightening
wewould have been heightening
youwould have been heightening
theywould have been heightening

Imperative

present
(you)heighten!
(we)let's heighten!
(you)heighten!

Subjunctive

present
Iheighten
youheighten
he, she, itheighten
weheighten
youheighten
theyheighten
past
Iheightened
youheightened
he, she, itheightened
weheightened
youheightened
theyheightened
future
Ishould heighten
youshould heighten
he, she, itshould heighten
weshould heighten
youshould heighten
theyshould heighten

*Blue letters in conjugations are irregular forms. (example)
*Red letters in conjugations are exceptions to the model. (example)

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