Dw i wedi gorffen. – I have finished. Mae hi wedi gweld. – She has seen. Mae John wedi gweithio'n galed. – John has worked hard. Rydyn ni wedi penderfynu. – We have decided.

Sometimes, you may need to mix tenses. For example, you may want to use some of the roedd tenses with the short form past tense. Do you remember the roedd tense?

Finally, apposta is frequently used in expressions that underline coincidence or irony, such as neanche a farlo apposta, ...

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