2. Вставьте to, где необходимо: 1) I like ___ swim in the lake. 2) Little dog can ___ jump and run. 3) Mark can ___ speak Russian very well. 4) Paul likes ___ play ping-pong. 5) He can ___ play ping-pong.

1. I like to swim in the lake.
2. Little dog can jump and run.
3. Mark can speak Russian very well.
4. Paul likes to play ping-pong.
5. He can play ping-pong.

После like употребляется инфинитив с to, а после модального глагола can — инфинитив без to.