Science Videos. Types of nouns. Plural and singular. Singular and Plural Nouns - 1026.type1.28012013.pdf. The Plural Girls. Nouns-singularandplural2. Pronouns. Singular, Plural or Possesive (Charles Kelly. Adjectives and Adverbs. Verb Tenses. Grammar. Irregular verbs. Irregular verbs in groups. PRESENT PERFECT (easy) Prepositions.