Either "he had cut the cake", or "he cut the cake".
The past tense is: You bought cake.
You have to you have in present tense. You had to use had to write that sentence- use had in past tense.
The past tense refers to the verb form used to indicate a completed action in the past (e.g. "walked"). The past participle is a verb form used to form verb tenses such as the present perfect and past perfect (e.g. "eaten") or as an adjective in passive voice constructions (e.g. "broken glass").
Just used the past tense word of what you are trying to describe. For example -He is running. Past tense. He ran.
To convert a present tense sentence to past tense, you generally change the verb to its past tense form. For regular verbs, this involves adding '-ed' to the base form of the verb. For irregular verbs, the past tense form must be memorized. It is also important to make any necessary adjustments to the sentence structure for tense consistency.
The past tense sentence with "keep" would be: She kept the book on the shelf.
What was the past tense for this sentence.
The past tense of sentence is "sentenced".
It's a past tense sentence. Built is the past tense of build.
Write is the present tense. The past tense is wrote, and the past participle is written.
Wrote is the past tense of write, and written is the past participle.
You can't change present to past without changing words or adding words. Some irregular verb have the same form for past and present eg cut. But unless you add a time word(s) then the sentence is the same. I cut the cake. I cut the cake (last night).