to be: present tense to be: present tense: negative and question forms to be: past tense to be: past tense: negative and question forms Present continuous tense present continuous tense: negative and question forms past continuous tense future continuous tense simple present tense simple present tense: negative form simple present tense: question form regular verbs: past tense irregular verbs: past tense (ÀÌÇÏ»ý·«)