Rif Succah 19a {Succah 38a continues; 38b}

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19a

{Succah 38a continues}
If he did not take in the morning, he should take in the afternoon, for the entire day is valid for lulav.

One who is a servant, a woman, or a minor - if they read it aloud {rather than being yotzei} one reads after them what they said, but a curse shall befall him {that he did not learn it and must repeat it word for word after them}. And if an adult {free male} reads it aloud, one reads after him Halleluyah {rather than repeating word for word}.

Gemara:
The Sages learnt {in a brayta}: In truth {=halacha leMoshe miSinai} they said: A son blesses for his father, a servant blesses for his master, and a woman blesses for her husband.
But the Sages say: A curse shall befall him whose wife and sons bless for him.

{Succah 38b}
Rava said: Great halachot may be learned from the custom of saying Hallel.
{Tehillim 113:1:

א הַלְלוּ-יָהּ: הַלְלוּ, עַבְדֵי ה; הַלְלוּ, אֶת-שֵׁם ה.

1 Hallelujah. {N} Praise, O ye servants of the LORD, praise the name of the LORD.

}

He {the reader} says {Tehillim 113:1} Halleluyah and they say Halleluyah. From here that it is a mitzvah to answer Halleluyah. He says הַלְלוּ, עַבְדֵי ה and they say Halleluyah. From here that an adult male reads it and they answer after him Halleluyah. He says {Tehillim 1118:1} הוֹדוּ ה and they say הוֹדוּ ה. From here that it is a mitzvah to answer {=repeat} the first heads of the chapters.

It was stated also: Rav Chanan bar Abba said: It is a mitzvah to answer {=repeat} the heads of the chapters.

He says אָנָּא ה, הוֹשִׁיעָה נָּא {Tehillim 118:25} and they say אָנָּא ה, הוֹשִׁיעָה נָּא. From here that a minor reads it and they repeat after him that which he says.

He says אָנָּא ה, הַצְלִיחָה נָּא {Tehillim 118:25} and they answer after him אָנָּא ה, הַצְלִיחָה נָּא. {This is an adult who speaks, from the word עונים rather than אומרים. Thus, they had already fulfilled and this is an answer.} From here that if he wishes to repeat he may repeat.