verb structures

Choose the correct form of the verb!

Jenny isn’t used to write / to writing on a computer keyboard yet.
Marvin and I love to swim / to swimming at the lake.
You really must to stop / stop eating so much pizza—you’re putting on weight!
George and Martha both stopped to smoke / smoking yesterday, and now they’re ready for a divorce!

The structure used for the words suggest and recommend is somewhat unusual for non-native speakers.

The structure is the same for both verbs. Let’s look.