Though many ideograms have been provided but there is no necessity whether u should use these auxiliary verbs while indicating tenses but in some conditions when they are required they can be used.

All the tenses have a unique ideogram to indicate their aspect whether it is progressive or perfect. These auxiliary verbs are used to differentiate between the time also , which is solved by a time indicator whether it is past , present or future tense.

The Secondary Moods may have their Marks thus applied to them;

• Power
  • Can 〈☐〉
  • Could 〈☐〉
• Liberty
  • May 〈☐〉
  • Might 〈☐〉
• Will
  • Will 〈☐〉
  • Would 〈☐〉
• Necessity
  • Must, shall 〈☐〉
  • Must, should 〈☐〉

• TENSES INDICATORS

• Mood

• Active voice
• Passive Voice

• Auxiliary Verbs

• Valency

• Participle