Answer:
1. constante : constantemente
2. gradual : gradualmente
3. perfecto : perfectamente
4. real : realmente
5. frecuente : frecuentemente
6. tranquilo : tranquilamente
7. regular : regularmente
8. maravilloso : maravillosamente
9. normal : normalmente
10. básico : básicamente
11. fortunado : fortunadamente
Explanation:
<u>Word formation</u>: adjective to adverb.
1. The first adjective we have is <em>constante </em>meaning <em>constant, lasting</em>. It is one of the adjectives that end in -e and it came into the Spanish language from Latin (<em>constans</em>) where it meant <em>steady, firm.</em> <em>Constante</em> in Spanish<em> </em>keeps the same form for both masculin <u>and</u><em> </em>feminine nouns. In plural it gives <em>constantes </em>for both genders. The adverb is formed by adding -mente on the singular form.
2. The adjective <em>gradual </em>holds the same meaning as in English - <em>gradual, progressive</em>. It came from the Latin word <em>gradus </em> which means step (thus the adjective meaning <em>step by step</em>). It has the same form for both genders and its plural form is <em>graduales</em>. The suffix -mente is added onto the singular form of the adjective.
3. <em>Perfecto </em>means <em>perfect</em>. This adjective has different forms for both genders as well as their singular and plural forms. We say <em>una ropa </em><em>perfecta </em>for the feminine gender, and <em>un viaje </em><em>perfecto </em>for the masculine gender. Both <em>perfecto </em>and <em>perfecta</em> form the plural form adding the ending -s: <em>perfectos, perfectas</em><em>. </em>The suffix is added onto <u>the feminine singular form.</u>
4. The adjective <em>real </em>has two different meanings in Spanish. What we think of first is <em>real, true</em>. But <em>real </em>also means <em>royal </em>in Spanish (think of Real Madrid, for example). It has one form for both genders and in plural gives <em>reales</em><em>. </em>The adverb is formed just by adding the suffix -mente onto its singular form.
5. The fifth adjective, <em>frecuente </em>means <em>frequent. </em>It is one of the adjectives ending in -e and these adjectives maintain the same form whether they are associated to feminine or masculine gender words. In plural it takes the plural ending -s giving <em>frecuentes</em>. The adverb is formed using the suffix -mente added to its singular form.
6. The adjective <em>tranquilo </em>gives <em>calm, tranquil </em>in English. It ends in -o meaning there different forms for both genders. <em>Un hombre tranquilo</em> is a calm man, but <em>una mujer </em><em>tranquila</em><em> </em>is a calm woman. The ending -a is for feminine nouns and the adverb is created by adding -mente onto the feminine form. The plural form of the adjective is formed by adding the ending -s to the feminine and masculine form respectively.
7. The meaning of the adjective <em>regular </em>is the same as in English, <em>regular, arranged</em>. It has one singular form which stays the same whether the noun were feminine or masculine. We get the plural form by adding the ending -es and the adverb is formed using the usual suffix -mente added to the singular form.
8. <em>Maravilloso </em>is the Spanish word for <em>wonderful. </em>The feminine form is different and is created with the ending <em>-a</em>. It is also the base for the formation of the adverb, formed by the suffix -mente added to the feminine form. In plural, it receives the ending -s to either its feminine or masculine form, depending on the noun it describes.
9. The adjective <em>normal </em>obviously gives <em>normal </em>in English. Its singular form stays the same for both genders. The plural is created regularly, with the plural ending -es added onto the singular form - <em>normales</em>. The singular form is also the base for the formation of the adverb by adding the suffix -mente.
10. The adjective <em>básico</em> means <em>basic, fundamental</em>. It has two different forms in singular (<em>un vocabulario básico/una regla básica) </em>and the plural is formed by adding the ending -s to its feminine or masculine form, in accordance with the noun it follows. Like all adjectives of its type, <em>básico </em>receives the suffix -mente onto its <em>feminine form</em>.
11. In English, <em>fortunado</em> means <em>fortunate, lucky</em>. Its feminine form is <em>fortunada</em> and the plural receives the ending -s depening on the noun it describes (<em>fortunados/fortunadas)</em>. All adjectives that have a feminine form use it as a base for the formation of the adverb: fortunada - fortunadamente.
Happy learning!