I say "should", because theses written in the present tense are still seen around and about.
When indicating 'tense' in Chinese, as shown above, there are 'particles', 'time-specifying words' and also many cases where it depends on context.
I feel tense and agitated when I have too much work to do.
The example is a past progressive tense sentence. How was everybody taught when they were learning about progressive tense?
Adverbial time clauses (here 'when') write about the future in the present tense.
"Past tense" is used in connection with actions in the past.
In a progressive tense sentence it becomes the -ing form verb, that is the present participle.
There was a tense atmosphere in the room.
He was lying there very still and tense.
It is even becoming accepted even in exam-English that that called "simple future tense" does not exist.
The future progressive tense is used when expressing events and action in progress at some future point, however the example sentence cannot be understood in that way.
We use "present tense" for this kind of case.
Truth is usually expressed in the present tense.
It was just a simple greeting, but somehow I got strangely tense.
There's no need to be that tense.
The international situation had become so tense, it would require proficient diplomats to handle it with kid gloves.
In the official question collection it is explained as being "passive voice of the present continuous tense".
There are many uses of the 'present tense' of Japanese grammar which indicate things yet to happen.