It can be either it depends on the context of what you're saying.
"I've always had an attitude" is in present perfect tense because it indicates a continuous action that started in the past and continues in the present.
The past tense of "sneak" is "sneaked" or "snuck," and the present tense is "sneaks."
"Always" is not an action, verb, or motion. It will not change form from present to past tense.
"Looks" is not always in the past tense; it can also be present tense. For example, "she looks happy" is present tense, while "she looked happy" is in the past tense.
"Come" is the past participle form of the verb "come," and it can be used in different tenses depending on the context. In the present tense, you would use "comes" (e.g., he comes to the party). In the past tense, you would use "came" (e.g., he came yesterday).
Past tense I had Present tense I have Future Tense I will have
Have is present tense. The past tense is had.
I write - this is present tense. Past tense would be I wrote. However, the infinitive "to write" is always present tense. It must be accompanied with a present, future or past tense finite verb. I like to write I will like to write I liked to write
Yes, "is" is present tense. The past tense form of "is" is "was."
Considering misconception is a noun, the past tense, present tense, and future tense of a noun is always the same.
Present tense: are Past tense: were
No, "insert" is present tense. The past tense of "insert" is "inserted."