the verb "to be"

the verb "to be" verb to be what letter is a form of the verb "to be" Simple present tense of the verb "to be" Verb to be 怎么用? Simple present tense of the verb :to be"这里to be 为什么要加to Verb "to be +adj +"enough"+to -infinitive fill in the blanks with the correct form of verb to be e.g.I 用“be+going to+verb(动词）”填空 只有verb to be 是present simple tense use the simple tense of the verb "to choose the right verb form to complete these sentences是什么意思?