be, feel, look, seem, sound | become, get, grow
The situation grew increasingly tense.

remain

extremely, incredibly, very | increasingly | a bit, a little, rather
I was feeling a bit tense and restless.

about
There''s no point in getting tense about the situation.

future, past, present | continuous, perfect, progressive, simple
the present simple tense

verb

use | form
‘Have’ is the auxiliary verb used to form perfect tenses.

marker | system

in the … ~
In the sentence ‘I stroked the cat’, ‘stroked’ is in the past tense.