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Chapter 31 — Stem Identification Drill (Weak Roots)

BBH Chapter 31 · Piel Weak Verbs


Instructions

Below are 24 Hebrew verb forms from weak roots (ברך, גלה, צוה, חזק). For each form, identify:

  1. Stem — Qal / Niphal / Hiphil / Piel
  2. Conjugation — Perfect / Imperfect / Wayyiqtol / Imperative / Participle
  3. PGN — Person-Gender-Number (where applicable)
  4. Root

Leave the answer columns blank, then check your work against the answer key below.

Key markers for weak roots:

  • I-Guttural (ברך, חזק): Piel R2 cannot take dagesh — watch for virtual doubling (longer vowel before R2 instead of dagesh); or in some forms, the guttural itself affects the surrounding vowels.
  • III-ה (גלה, צוה): Piel perfect 3ms ends in ָּה (qamets + dagesh-he). Qal perfect 3ms ends in ָה (qamets-he, no dagesh). Hiphil prefix הִ with vowel chain identifies Hiphil. Niphal shows assimilated נ or נִ prefix.
  • Wayyiqtol: waw + patach (וַ) + prefix; the dagesh in the prefix consonant marks wayyiqtol for Qal; Piel wayyiqtol keeps shewa under prefix.

Exercise Table

# Hebrew Stem Conjugation PGN Root
1 בֵּרַךְ
2 בָּרַךְ
3 גִּלָּה
4 גָּלָה
5 נִגְלָה
6 הִגְלָה
7 צִוָּה
8 חִזֵּק
9 חָזַק
10 יְבָרֵךְ
11 יְצַוֶּה
12 יִגְלֶה
13 יִגָּלֶה
14 יְגַלֶּה
15 יַגְלֶה
16 וַיְבָרֶךְ
17 וַיְצַו
18 וַיִּגֶּל
19 בָּרֵךְ
20 גַּל
21 גַּלֵּה
22 מְבָרֵךְ
23 מְגַלֶּה
24 גֹּלֶה

Answer Key

# Hebrew Stem Conjugation PGN Root Notes
1 בֵּרַךְ Piel Perfect 3ms ברך I-guttural ב: virtual dagesh (tsere lengthened before R2); chirik–patach vowels
2 בָּרַךְ Qal Perfect 3ms ברך No dagesh consideration; qamets–patach = standard Qal perfect
3 גִּלָּה Piel Perfect 3ms גלה Dagesh in ל (R2) + III-ה contraction: ָּה ending; chirik under ג
4 גָּלָה Qal Perfect 3ms גלה No dagesh in ל; qamets–qamets-he = Qal III-ה perfect 3ms
5 נִגְלָה Niphal Perfect 3ms גלה נִ prefix + qamets under ל = Niphal III-ה perfect 3ms
6 הִגְלָה Hiphil Perfect 3ms גלה הִ prefix + qamets = Hiphil III-ה perfect 3ms (no chirik-yod: III-ה contracts instead)
7 צִוָּה Piel Perfect 3ms צוה III-ה root (ה contracts); dagesh in וּ (R2); chirik under צ = Piel
8 חִזֵּק Piel Perfect 3ms חזק Guttural ח at R1; dagesh in ז (R2); chirik–tsere = Piel. ח cannot have dagesh but the R2 ז can
9 חָזַק Qal Perfect 3ms חזק No dagesh in ז; qamets–patach = Qal perfect; ח guttural at R1
10 יְבָרֵךְ Piel Imperfect 3ms ברך Shewa + qamets (compensatory for R2 guttural) + tsere = Piel imperfect with I-guttural effect
11 יְצַוֶּה Piel Imperfect 3ms צוה Shewa prefix + dagesh in וּ + III-ה ending (tsere-yod pattern) = Piel imperfect
12 יִגְלֶה Qal Imperfect 3ms גלה Chirik prefix; no dagesh in ג; segol + III-ה = Qal III-ה imperfect
13 יִגָּלֶה Niphal Imperfect 3ms גלה Chirik prefix; dagesh in ג (assimilated נ); qamets–segol = Niphal III-ה imperfect
14 יְגַלֶּה Piel Imperfect 3ms גלה Shewa prefix; dagesh in ל (R2); segol + he = Piel III-ה imperfect
15 יַגְלֶה Hiphil Imperfect 3ms גלה Patach prefix (יַ); no dagesh in ל; segol = Hiphil III-ה imperfect
16 וַיְבָרֶךְ Piel Wayyiqtol 3ms ברך Waw + shewa under יְ (no dagesh in י = Piel wayyiqtol) + Piel imperfect vowels
17 וַיְצַו Piel Wayyiqtol 3ms צוה Waw + shewa under יְ + III-ה root contracts (ה drops in wayyiqtol) = Piel wayyiqtol
18 וַיִּגֶּל Qal Wayyiqtol 3ms גלה Waw + dagesh in יּ (wayyiqtol marker) + dagesh in ג (pausal apocope of III-ה) = Qal wayyiqtol
19 בָּרֵךְ Piel Imperative 2ms ברך Qamets + tsere; no prefix. Piel imperative I-guttural pattern
20 גַּל Qal Imperative 2ms גלה Apocopated form (III-ה drops); patach under ג = Qal imperative of III-ה root
21 גַּלֵּה Piel Imperative 2ms גלה Patach + dagesh in ל + tsere + he = Piel imperative of III-ה
22 מְבָרֵךְ Piel Participle ms ברך מְ prefix + qamets + tsere; I-guttural compensatory lengthening before R2
23 מְגַלֶּה Piel Participle ms גלה מְ prefix + dagesh in ל + III-ה ending = Piel participle of III-ה
24 גֹּלֶה Qal Participle ms גלה Holem under ג; no מ prefix; III-ה ending = Qal active participle of III-ה