To use regular verbs in the present tense in Russian, you start with the verb in its base form. This usually ends with -ать, -ять, -ить, or -еть. How you change the verb depends on who is doing the action. Here’s a simple guide to help you out:

How to Change the Verb:

1. Base Form: идти (to go)
2. Here’s how to change it:
   • я иду (I go)
   • ты идёшь (you go, talking to one person)
   • он/она идёт (he/she goes)
   • мы идём (we go)
   • вы идёте (you go, talking to more than one person or politely)
   • они идут (they go)

Important Grammar Points:

• Noun Types:

  • Masculine: стол (table)
  • Feminine: книга (book)
  • Neuter: окно (window)

• Word Forms (Cases):

  • Nominative: кто? что? (who? what?)
  • Accusative: кого? что? (whom? what?)

• Personal Pronouns:

  • я (I), ты (you, one person), он (he), она (she), оно (it), мы (we), вы (you, more than one person), они (they)

Basic Sentence Structure:

• SVO: Я читаю книгу. (I read a book.)

How to Ask Questions:

• Yes or No Questions: Ты читаешь? (Are you reading?)
• Questions with ‘Wh’: Где ты? (Where are you?)

Saying No:

• Я не читаю (I do not read).

If you learn these rules, you'll be able to change regular verbs correctly in Russian and make clear sentences!