Discovered.
Anton van leeuwenhoek
The word 'discovered' is not a noun.The word 'discovered' is the past participle, past tense of the verb to discover.The past participle of the verb also functions as an adjective.The noun form of the verb to discover, 'discoverer' is a concrete noun, a word for a person.The noun forms of the verb to discover, 'discovery' and the gerund 'discovering' are both abstract nouns as words for concepts.
"had" is not a connective. It is a simple past tense verb used to indicate an action that occurred in the past. Connectives are words or phrases that link different parts of a sentence or text.
Amerigo Vespucci did not discover Venezuela. He is simple responsible for it's name which means little venice. That took place in 1499.
why did Stephen discover the big bang theory
The past participle of "discover" is "discovered."
Yes, "discover" is the past tense form of the verb "discover".
No...The past tense of discover is discovered.
The past simple of "have" is "had."
The simple past is had.
Discovered is the past participle form of discover.----------------------------------------------------See Related questions below.
Past simple and simple past are both the same thing. They are both the past tense of a verb.
The simple past tense is climbed.
The simple past and past participle are both 'had'.
The simple past and past participle are both brought.
The simple past tense is studied.
"Listened" is the past simple of "listen" as well as the past participle.