90

investigate, investigated, investigated

Base form	Past Simple	Past Participle
investigate	investigated	investigated

-ing form

investigating

hear the pronunciation of 'investigating'

s

investigates

hear the pronunciation of 'investigates'

Verbs that start with "inv-"

invade
invest
investigate
invite
involve

Verbs that end with "-ate"

speculate
anticipate
accumulate
activate
administrate
appreciate
calculate
celebrate
collaborate
collate
communicate
congratulate
conjugate
cooperate
create
cultivate
deactivate
decorate
dedicate
demonstrate
devastate
dominate
donate
educate
elevate
evacuate
frustrate
generate
graduate
grate
hate
humiliate
illuminate
indicate
initiate
integrate
investigate
lubricate
manipulate
motivate
navigate
negotiate
operate
participate
penetrate
replicate
separate
sophisticate
state
terminate
update
vaccinate
validate
vibrate
concentrate

Verbs Exercises

Irregular Verb Spelling Practice

Irregular Verb Spelling Practice

Exercise of English Irregular Verbs

8 random questions from 100 most common irregular verbs

Exercise of 90 Common Verbs

8 random questions from 90 most common verbs

Exercise of 900 English Verbs

8 random questions from 900 Verbs

Exercise of 160 Irregular English Verbs

8 random questions from 160 irregular English verbs

Exercise of 50 Most Common English Verbs

8 random questions from 50 most common English verbs

Information and tools

E-Mail：[email protected]

© 2010 - 2026. www.yhlearn.com