第二人称（you）/复数名词+are
（例）you are my sons
第三人称单数/单数名词+is
(例) He is my student
be动词的否定句am/are/is+not
肯定句：主语+am/are/is…
否定句：主语+am/are/is+not…
Gusto
Magkomento
Ibahagi
