slid is the past tense
The past tense of "slide" is "slid."
The past tense of "slide" can be either "slid" or "slidden."
The past tense of backslide is backslid.
The past tense of "mean" is "meant."
The past tense of "slide" can be either "slid" or "slidden."
slid is the past tense
"slid" is already past tense. The present tense is "slide".
slid
The past tense of "slide" is "slid."
They slid.
You may say "she slid across the ice" or "he had slidden all the way down the hill"
The past tense of backslide is backslid.
Meant is the past tense of mean.
The past tense of "mean" is "meant."
Slid is already the past participle of slide. It's also the past tense.
The simple past tense of 'am' is 'was' or 'were'