Sick isn't a verb but an adjective. Therefore there is no past tense of sick. However, you can simply say "was sick"
was sick
She was She is sick. She was sick.
The word sick is an adjective, and therefore does not have a past tense. Only verbs have past tenses.
was. She is sick She was sick
As a verb, it is normally spelled "sic". The past tense and past participle are the same: sicked.
is - is present tense. He is from China. was - is past tense. He was sick last week.
The past tense of feel is felt. For example, I felt sick. Or, I felt the cloth.
Feel is an irregular verb. The past is felt.I felt sick yesterday.
The past tense of feel is felt. For example, I felt sick. Or, I felt the cloth.
was = singular - He was sick last weekwere = plural - They were sick last week
the past tense of am is was and the past tense of has is had
The past tense of "has" is "had" and the past tense of "have" is "had."