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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sharpen

It is conjugated like: work
infinitive:
present participle:
past participle:
(to) sharpen
sharpening
sharpened
definition
in Spanish
in French
in Italian

Indicative

presentAlso known as:
present simple or simple present
Isharpen
yousharpen
he, she, itsharpens
wesharpen
yousharpen
theysharpen
simple pastAlso known as:
past simple or preterite
Isharpened
yousharpened
he, she, itsharpened
wesharpened
yousharpened
theysharpened
future
Iwill sharpen
youwill sharpen
he, she, itwill sharpen
wewill sharpen
youwill sharpen
theywill sharpen

Perfect tenses

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

Continuous (progressive) and emphatic tenses

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

Compound continuous (progressive) tenses

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

Conditional

present
Iwould sharpen
youwould sharpen
he, she, itwould sharpen
wewould sharpen
youwould sharpen
theywould sharpen
perfectAlso known as:
past conditional
Iwould have sharpened
youwould have sharpened
he, she, itwould have sharpened
wewould have sharpened
youwould have sharpened
theywould have sharpened
present continuous
Iwould be sharpening
youwould be sharpening
he, she, itwould be sharpening
wewould be sharpening
youwould be sharpening
theywould be sharpening
perfect continuous
Iwould have been sharpening
youwould have been sharpening
he, she, itwould have been sharpening
wewould have been sharpening
youwould have been sharpening
theywould have been sharpening

Imperative

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

Subjunctive

present
Isharpen
yousharpen
he, she, itsharpen
wesharpen
yousharpen
theysharpen
past
Isharpened
yousharpened
he, she, itsharpened
wesharpened
yousharpened
theysharpened
future
Ishould sharpen
youshould sharpen
he, she, itshould sharpen
weshould sharpen
youshould sharpen
theyshould sharpen

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

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