sink sank am sinking have sunk

forsake forsook am forsaking have forsaken

tread trod; treaded am treading have trodden; trod

dream dreamed; dreamt am dreaming have dreamed; dreamt

strive strove; strived am striving have striven

run ran am running have run

spring sprung; sprang am springing have sprung

go went am going have gone

wring wrung/wringed am wringing have wringed/wrung

shake shook am shaking have shaken

sling slung am slinging have slung

climb climbed am climbing have climbed

forget forgot am forgetting have forgotten/forgot

smell smelled; smelt am smelling have smelled; smelt

slay slew; slayed (comic relief) Am slaying have slain

ride rode am riding have ridden

The Titanic sunk as the sun set over the mountains. Incorrect The Titanic sank as the sun set over the mountains.

She forsook me after the unfortunate accident. Correct

I have run in three races this fall. Correct

I have striven to do my best. Correct

I dreamt about you last night. Correct

He sprung to his feet and ran toward the station. Correct --  Sprung is often preferred to sprang.

I had went to the grocery store before the party. Incorrect

We have wringed the towel dry many times this afternoon. Correct

He shaked the bag filled with names to assure that the drawing was fair. Incorrect He shook the bag filled with names to assure that the drawing was fair..

He slinged the weapon aside as he made his way to the helicopter. Incorrect He slung the weapon aside as he made his way to the helicopter.

We clumb the mountain after months of training and preparation. Incorrect We climbed the mountain after months of training and preparation

We have rode through the valley many times. Incorrect We have ridden through the valley many times.

She had forgot about the severe weather warning. Correct

The knight slew the dragon without hesitation. Correct