تدريب على الأفعال الخمسة

Explanation
The correct answer is "فعل مضارع مرفوع وعلامة رفعه ثبوت النون". In the given sentence, the verb "يعلمون" is in the present tense and is conjugated in the plural form to agree with the subject. The verb is also in the "مرفوع" (nominative) case, indicated by the "ضمة" (damma) vowel on the last letter of the verb. The "ثبوت النون" (pronounced "thaboot alnoon") refers to the nunation, which is the addition of a final "n" sound to certain words in Arabic grammar.

Explanation
The correct answer is "تقصرا". This is because the sentence is in the present tense and the verb "تقصرا" is in the jussive mood, which is used to express a command or a request. In this context, it indicates that the two people being addressed should not fall short in their obedience to their parents in order to attain the satisfaction of Allah.

Explanation
The given statement is correct. In Arabic grammar, the present tense verb that belongs to the five verbs raises the letter "noon" when it is in the middle of the word. This is known as "ithbat al-noon" or "the noon of affirmation". It is a grammatical rule that affects certain verbs in the present tense, indicating the presence of an additional "noon" sound in the conjugation of the verb.

Explanation
The correct answer is "يحصدون" because it agrees with the subject "الفلاحون" (the farmers) in both gender and plurality. In Arabic, verbs must agree with their subjects in gender, number, and person. Since "الفلاحون" is a plural noun, the verb "يحصدون" (they harvest) is the correct form. The other options do not agree with the subject and are therefore incorrect.

Explanation
The correct answer is "ياء المخاطبة" because it refers to the pronoun that is used to address someone directly in the second person. In Arabic grammar, this pronoun is added to the verb to indicate that the action is directed towards the listener. It is an essential part of the verb conjugation in the second person singular and plural forms.

Explanation
The word "عظيمة" is in the accusative case (مجرور) because it is the predicate (خبر) of the sentence. It is describing the noun "خبر" which is the subject (مبتدأ) of the sentence.

Explanation
The correct answer is يكتبون, تكتبين, تكتبان. These three options are all conjugations of the verb "كتب" (to write) in the present tense, indicating the plural form (they write) and the feminine singular forms (you [female] write and you [two females] write). Therefore, these options belong to the five verbs mentioned in the question.

Explanation
The correct answer is "العرب لن يتقدموا إلا بالوحدة". This is because the subject of the sentence is plural (العرب) and the verb (يتقدموا) agrees with the subject in number and gender. The other options have either a singular verb or a verb that does not agree with the subject in number and gender.

Explanation
The word "المستقبل" in the sentence is functioning as a مضاف إليه (genitive construct). In Arabic grammar, a مضاف إليه is a noun that is followed by another noun in the genitive case to indicate possession or attribution. In this case, "المستقبل" is being attributed to or possessed by another noun in the sentence.