i need a website for verb or verb phrase,and also for principal part of the verb

This page has everything you need to know about verbs.

http://www.englishpage.com/verbpage/verbtenseintro.html

To find information about verbs or verb phrases, there are several websites you can visit. One reliable source is EnglishPage.com. They have a dedicated section on their website called "Verb Tense Introduction" that provides detailed explanations of different verb tenses along with examples.

To access this information, you can visit the following web page:
http://www.englishpage.com/verbpage/verbtenseintro.html

Additionally, if you want to learn more about the principal parts of verbs, consider visiting the same website's "Irregular Verbs" section. This page provides a comprehensive list of irregular verbs, along with their base form, past tense, past participle, and meaning.

Here is the link to that section:
http://www.englishpage.com/irregularverbs/irregularverbs.html

By exploring these resources, you will gain a deeper understanding of verbs, verb phrases, and their principal parts.