It is present tense.
No, "slide" is the present tense. The future tense would be "will slide".
The past tense of "slide" is "slid."
The past tense of "slide" is "slid."
The past tense of slide is slid
slid is the past tense
"slid" is already past tense. The present tense is "slide".
slid
Sliding.
They slid.
The future tense of "slide" is two words: "will slide" Some individuals prefer to use the word "shall" in the first person singular:" I shall slide," but I have only heard that when the speaker is vowing to do something, promising, or really wants you to know that he or she is going to try very, very hard to acomplish the action.
The present perfect tense of slide is "have/has slid." For example, "She has slid down the hill many times."
You may say "she slid across the ice" or "he had slidden all the way down the hill"