δύναμαι, deponent verb, present indicative 2 person singular 
δύνασαι and, according to a rarer form occasional in the poets and from Polybius on to be met with in prose writings also (cf. 
Lob. ad Phryn., p. 359; [
WHs Appendix, p. 168; Winers Grammar, § 13, 2 b.; Veitch, under the word]), 
δύνῃ (
Mark 9:22f L T Tr WH; [
Luke 16:2 T WH Tr text]; 
Revelation 2:2); imperfect 
ἐδυνάμην and Attic 
ἠδυνάμην, between which forms the manuscripts and editions are almost everywhere divided, [in 
Mark 6:19; 
Mark 14:5; 
Luke 8:19; 
Luke 19:3; 
John 9:33; 
John 12:39 all editions read 
ἠδ., so 
R G in 
Matthew 26:9; 
Luke 1:22; 
John 11:37; 
Revelation 14:3; on the other hand, in 
Matthew 22:46; 
Luke 1:22; 
John 11:37; 
Revelation 14:3, 
L T Tr WH all read 
ἐδ., so 
T WH in 
Matthew 26:9; 
R G in 
Matthew 22:46. Cf. 
WHs Appendix, p. 162; Winer's Grammar, § 12, 1 b.; Buttmun, 33 (29)]; future 
δυνήσομαι; 1 aorist 
ἠδυνήθην and (in 
Mark 7:24 T WH, after manuscripts 
א Β only; in 
Matthew 17:16 manuscript B) 
ἠδυνάσθην (cf. [WH as above and p. 169]; Kühner, § 343, under the word; [Veitch, under the word; Winers Grammar, 84 (81); Buttmann, 33 (29); 
Curtius, Das Verbum, 2:402]); 
Sept. for 
יָכֹל; 
to be able, have power, whether by virtue of one's own ability and resources, or of a state of mind, or through favorable circumstances, or by permission of law or custom;
a. followed by an infinitive [Winers Grammar, § 44, 3] present or aorist (on the distinction between which, cf. Winer's Grammar, § 44, 7).
α. followed by a present infinitive: 
Matthew 6:24; 
Matthew 9:15; 
Mark 2:7; 
Mark 3:23; 
Luke 6:39; 
John 3:2; 
John 5:19; 
Acts 27:15; 
1 Corinthians 10:21; 
Hebrews 5:7; 
1 John 3:9; 
Revelation 9:20, and often.
β. followed by an aorist infinitive: 
Matthew 3:9; 
Matthew 5:14; 
Mark 1:45; 
Mark 2:4; 
Mark 5:3; 
Luke 8:19; 
Luke 13:11; 
John 3:3; 
John 6:52; 
John 7:34, 
36; 
Acts 4:16 [R G]; Acts 5:39; 
10:47; 
Romans 8:39; 
Romans 16:25; 
1 Corinthians 2:14; 
1 Corinthians 3:1; 
1 Corinthians 6:5; 
2 Corinthians 3:7; 
Galatians 3:21; 
Ephesians 3:4, 
20; 
1 Thessalonians 3:9; 
1 Timothy 6:7, 
16; 
2 Timothy 2:13; 
2 Timothy 3:7, 
15; 
Hebrews 2:18; 
Hebrews 3:19; [
Hebrews 11:19 Lachmann]; 
James 1:21; 
Revelation 3:8; 
Revelation 5:3; 
Revelation 6:17, and very often.
b. with an infinitive omitted, as being easily supplied from the context: 
Matthew 16:3 [here T brackets WH reject the passage]; 
Matt 20:22; 
Mark 6:19; 
Mark 10:39; 
Luke 9:40; 
Luke 16:26; 
Luke 19:3; 
Romans 8:7.
c. joined with an accusative, 
δύναμαί τι, 
to be able to do something (cf. German 
ich vermag etwas): 
Mark 9:22; 
Luke 12:26; 
2 Corinthians 13:8, (and in Greek writings from Homer on).
d. absolutely, like the Latin 
possum (as in Caes. b. gall. 1, 18, 6), equivalent to 
to be able, capable, strong, powerful: 
1 Corinthians 3:2; 
1 Corinthians 10:13. (
2 Chronicles 32:13; 
1 Macc. 5:40f; in 2 Macc. 11:13 manuscript 
Alex., and often in Greek writings as Euripides, Or. 889; Thucydides 4, 105; Xenophon, an. 4, 5, 11f; Isocrates, Demosthenes, Aeschines) 
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