№ verb noun adjective
1 demonstrate … …
2 … … effective
3 achieve … …
4 … communication …
5 … expression …
6 assist … …
7 … … intending
6. Give the four forms of the following verbs:
to navigate, to feel, to flush, to see, to stand, to achieve, to keep, to harm, to freeze, to clench, to accept, to feel, to acclimate, to surrender, to know