109

observe, observed, observed

Base form	Past Simple	Past Participle
observe	observed	observed

-ing form

observing

hear the pronunciation of 'observing'

s

observes

hear the pronunciation of 'observes'

Verbs that end with "-rve"

deserve
observe
reserve
serve
starve

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