(bkz:tense)
(bkz:present simple tense)
(bkz:present perfect tense)
(bkz:present continuous tense)
(bkz:past simple tense)
(bkz:past perfect tense)
(u: etc)
(bkz:present simple tense)
(bkz:present perfect tense)
(bkz:present continuous tense)
(bkz:past simple tense)
(bkz:past perfect tense)
(u: etc)