Friends are friends forever,
Regular or irregular.
Regular Verbs end in '- ed';
Irregular verbs are varied.

There are three main tenses in English
Each has four types; totally twelve.
They are as follow:
Present simple
Present perfect
Present continuous
Present perfect continuous
Past simple
Past Perfect
Past continuous
Past Perfect continuous
Future simple
Future perfect
Future continuous
Future perfect continuous.

All the tenses show the times
Present and past and future times
Singular and present add Verb+s
Past simple: Verb + 'ed' or past participles

Singular noun + present: has Verb
Plural and present + Verb
Present Continuous tense-
Verb + ing - it has

Singular and present continuous tense: Is +Verb + ing - it has
Plural and present continuous tense:
Are+Verb +ing it has

Singular and...