What is the past tense and the past participle of throw?
The past tense is threw; the past participle is thrown.
All verbs have a past tense form and a past participle form. For regular verbs, the past tense and past participle ends in -ed. Example: walk (present tense) walked (past tense and past participle) Irregular verb do not have the -ed ending. Example: run (present tense) ran (past tense) run (past participle)
A few of the many irregular verbs in English are: drive (present tense) drove (past tense) driven (past participle) lie (present tense) lay (past tense) lain (past participle) ring (present tense) rang (past tense) rung (past participle) read (present tense) read (past tense) read (past participle) am, is, are (present tense of be), was, were (past tense) been (past participle)