regular model: work
verbs ending in -e: like

like - model verbRegular verbs ending with a silent -e: remove the final -e before adding -ed or -ing.

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

Firefox and Chrome users: install a shortcut (Firefox or Chrome) then type "conj concentrate" in your address bar for the fastest conjugations.

concentrate

It is conjugated like: like
infinitive:
present participle:
past participle:
(to) concentrate
concentrating
concentrated
definition
in Spanish
in French
in Italian

Indicative

presentAlso known as:
present simple or simple present
Iconcentrate
youconcentrate
he, she, itconcentrates
weconcentrate
youconcentrate
theyconcentrate
simple pastAlso known as:
past simple or preterit
Iconcentrated
youconcentrated
he, she, itconcentrated
weconcentrated
youconcentrated
theyconcentrated
future
Iwill concentrate
youwill concentrate
he, she, itwill concentrate
wewill concentrate
youwill concentrate
theywill concentrate

Perfect tenses

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

Continuous (progressive) and emphatic tenses

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

Compound continuous (progressive) tenses

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

Conditional

present
Iwould concentrate
youwould concentrate
he, she, itwould concentrate
wewould concentrate
youwould concentrate
theywould concentrate
perfectAlso known as:
past conditional
Iwould have concentrated
youwould have concentrated
he, she, itwould have concentrated
wewould have concentrated
youwould have concentrated
theywould have concentrated
present continuous
Iwould be concentrating
youwould be concentrating
he, she, itwould be concentrating
wewould be concentrating
youwould be concentrating
theywould be concentrating
perfect continuous
Iwould have been concentrating
youwould have been concentrating
he, she, itwould have been concentrating
wewould have been concentrating
youwould have been concentrating
theywould have been concentrating

Imperative

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

Subjunctive

present
Iconcentrate
youconcentrate
he, she, itconcentrate
weconcentrate
youconcentrate
theyconcentrate
past
Iconcentrated
youconcentrated
he, she, itconcentrated
weconcentrated
youconcentrated
theyconcentrated
past perfectAlso known as:
pluperfect subjunctive
Ihad concentrated
youhad concentrated
he, she, ithad concentrated
wehad concentrated
youhad concentrated
theyhad concentrated
future
Ishould concentrate
youshould concentrate
he, she, itshould concentrate
weshould concentrate
youshould concentrate
theyshould concentrate

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

Report a problem.