Answer:
The question is incomplete, but to complete it, we have to know when to use the tenses:
We use the simple present to talk about habits, statements, feelings, plans. We use the past simple to talk about finished actions in the past that have a time reference.
Explanation:
To complete with the correct form of the verb to be, we have to know that the verb to change with the subject:
For I, we use "am" in the present and was in the past.
For he, she, it, we use is in the present and was in the past
Fo the subjects we, you, they, you, we use are for the present, and were for the past.
The next thing that we need to know to complete the exercise is when we use the simple present and the simple past.
They are actions that happen in the present.